# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

 10.1 9.2 10.9 9.5 9.4 9.8 10 9.9 11.2 12.1

#### (a)

Use a calculator with mean and sample standard deviation keys to find the sample mean reading  and the sample standard deviation s. (in mg/dl; round your answers to two decimal places.)
=  mg/dl
s =  mg/dl

#### (b)

Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (in mg/dl; round your answer to two decimal places.)
lower limit          mg/dl
upper limit          mg/dl

#### (c)

Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.

Yes. This confidence interval suggests that the patient may still have a calcium deficiency.Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.    No. This confidence interval suggests that the patient may still have a calcium deficiency.No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

 9.3 9.6 10.3 8.9 9.4 9.8 10 9.9 11.2 12.1

(a) Use a calculator with mean and sample standard deviation keys to find the sample mean reading x and the sample standard deviation s. (Round your answers to four decimal places.)

x= _________ mg/dl
s= _________ mg/dl

(b) Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (Round your answer to two decimal places.)

lower limit _________ mg/dl
upper limit __________ mg/dl

(c) Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.

(1) Yes. This confidence interval suggests that the patient may still have a calcium deficiency.

(2) Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.

(3) No. This confidence interval suggests that the patient may still have a calcium deficiency.

(4) No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

 9.7 8.6 10.1 9.1 9.4 9.8 10 9.9 11.2 12.1

#### (a)

Use a calculator with mean and sample standard deviation keys to find the sample mean reading  and the sample standard deviation s. (in mg/dl; round your answers to two decimal places.)
x =  mg/dl
s =  mg/dl

#### (b)

Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (in mg/dl; round your answer to two decimal places.)
lower limit=          mg/dl
upper limit =         mg/dl

#### (c)

Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.

Yes. This confidence interval suggests that the patient may still have a calcium deficiency
.Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.
No. This confidence interval suggests that the patient may still have a calcium deficiency
No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.
 9.7 9 10.5 8.9 9.4 9.8 10 9.9 11.2 12.1

(a)
Use a calculator with mean and sample standard deviation keys to find the sample mean reading x and the sample standard deviation s. (Round your answers to four decimal places.)
x= mg/dl s= mg/dl
(b)
Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (Round your answer to two decimal places.)
lower limit mg/dl upper limit mg/dl
(c)
Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.
Yes. This confidence interval suggests that the patient may still have a calcium deficiency.Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.     No. This confidence interval suggests that the patient may still have a calcium deficiency.No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (sever muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

9.1 8.6 10.9 8.7 9.4 9.8 10.0 9.9 11.2 12.1

x =                mg/dl

s =                mg/dl

(b) Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood (in mg/dl; round your answer to two decimal places.)

lower limit               mg/dl

upper limit             mg/dl

(c) based on your results in part (b). do you think this patient still has a calcium deficienty? Explain.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

 9.9 9 10.1 8.9 9.4 9.8 10 9.9 11.2 12.1

#### (a) Use a calculator with mean and sample standard deviation keys to find the sample mean reading and the sample standard deviation s. (in mg/dl; round your answers to two decimal places.)

x = _______ mg/dl
s = _______ mg/dl

#### (b) Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (in mg/dl; round your answer to two decimal places.)

lower limit  _______ mg/dl
upper limit  _______mg/dl

#### (c) Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.

Yes. This confidence interval suggests that the patient may still have a calcium deficiency.

Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.

No. This confidence interval suggests that the patient may still have a calcium deficiency.

No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

 9.5 9.4 10.5 8.9 9.4 9.8 10 9.9 11.2 12.1

#### (a)

Use a calculator with mean and sample standard deviation keys to find the sample mean reading and the sample standard deviation s. (in mg/dl; round your answers to two decimal places.)
= mg/dl
s = mg/dl

#### (b)

Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (in mg/dl; round your answer to two decimal places.)
lower limit         mg/dl
upper limit         mg/dl

#### (c)

Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.

Yes. This confidence interval suggests that the patient may still have a calcium deficiency.Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.     No. This confidence interval suggests that the patient may still have a calcium deficiency.No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# over the past several months,

over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

 10.1 9.2 10.7 8.5 9.4 9.8 10 9.9 11.2 12.1

x_____= mg/dl
s_____ = mg/dl

#### (b) Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (in mg/dl; round your answer to two decimal places.)

lower limit  _____ mg/dl
upper limit  ______ mg/dl

#### (c) Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.

a.) Yes. This confidence interval suggests that the patient may still have a calcium deficiency.
b.) Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.
c.) No. This confidence interval suggests that the patient may still have a calcium deficiency.
d.) No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.
 9.1 9.2 10.4 8.9 9.5 9.5 10.8 10.3 11.5 12

(a)
Find the sample mean reading x and the sample standard deviation s. (Round your answers to four decimal places.)
x= mg/dls= mg/dl
(b)
Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (Round your answer to two decimal places.)
lower limit mg/dlupper limit mg/dl
(c)
Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.
Yes. This confidence interval suggests that the patient may still have a calcium deficiency.Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.    No. This confidence interval suggests that the patient may still have a calcium deficiency.No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.
 9.4 9.5 10.2 9.1 9.6 9.8 10.7 10 11.9 12.1

(a)
Find the sample mean reading x and the sample standard deviation s. (Round your answers to four decimal places.)
x= mg/dls= mg/dl
(b)
Find a 99.4% confidence interval for the population mean of total calcium in this patient’s blood. (Round your answer to two decimal places.)
lower limit mg/dlupper limit mg/dl
(c)
Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.
Yes. This confidence interval suggests that the patient may still have a calcium deficiency.
Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.
No. This confidence interval suggests that the patient may still have a calcium deficiency.
No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

 9.9 8.8 10.9 9.5 9.4 9.8 10 9.9 11.2 12.1

#### (a)

Use a calculator with mean and sample standard deviation keys to find the sample mean reading and the sample standard deviation s. (in mg/dl; round your answers to two decimal places.)
=  mg/dl
s =  mg/dl

#### (b)

Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (in mg/dl; round your answer to two decimal places.)
lower limit          mg/dl
upper limit          mg/dl

#### (c)

Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.

Yes. This confidence interval suggests that the patient may still have a calcium deficiency.
Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.
No. This confidence interval suggests that the patient may still have a calcium deficiency.
No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

 9.5 9.4 10.5 8.9 9.4 9.8 10 9.9 11.2 12.1

#### (a)

Use a calculator with mean and sample standard deviation keys to find the sample mean reading and the sample standard deviation s. (in mg/dl; round your answers to two decimal places.)
= mg/dl
s = mg/dl

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.
9.5 9.0 10.3 9.5 9.4 9.8 10.0 9.9 11.2 12.1
(a) Use a calculator with mean and sample standard deviation keys to find the sample mean reading x bar and the sample standard deviation s. (in mg/dl; round your answers to two decimal places.)
x bar = mg/dl
s = mg/dl

(b) Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (in mg/dl; round your answer to two decimal places.)
lower limit mg/dl
upper limit mg/dl

(c) Based on your results in part (b), do you think this patient still has a calcium deficiency? Explain.
Yes. This confidence interval suggests that the patient may still have a calcium deficiency.
Yes. This confidence interval suggests that the patient no longer has a calcium deficiency.
No. This confidence interval suggests that the patient may still have a calcium deficiency.
No. This confidence interval suggests that the patient no longer has a calcium deficiency.

# Over the past several months,

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.
 9.5 8.6 10.3 8.7 9.4 9.8 10 9.9 11.2 12.1

(a)
Use a calculator with mean and sample standard deviation keys to find the sample mean reading x and the sample standard deviation s. (Round your answers to four decimal places.)
x= mg/dls= mg/dl
(b)
Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (Round your answer to two decimal places.)
lower limit mg/dlupper limit mg/dl

# Over the past several months,

I am having a problem with part b of this question. Is it possible to be provided the excel steps to solve? If not, the manual steps with answer will still greatly help. Thanks in advance.

Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). This condition is associated with an average total calcium level below 6 mg/dl. Recently, the patient’s total calcium tests gave the following readings (in mg/dl). Assume that the population of x values has an approximately normal distribution.

 10.1 9.6 10.3 9.3 9.4 9.8 10 9.9 11.2 12.1

#### (a)

Use a calculator with mean and sample standard deviation keys to find the sample mean reading  and the sample standard deviation s. (in mg/dl; round your answers to two decimal places.)
= 10.17  mg/dl
s = .86  mg/dl

#### (b)

Find a 99.9% confidence interval for the population mean of total calcium in this patient’s blood. (in mg/dl; round your answer to two decimal places.)
lower limit           mg/dl
upper limit           mg/dl

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