# Probability problems based on

Find the probability that none of the 5 bulbs in a signal light will have to be replaced during the first 1200 hours of operation if the lifetime X of the bulb is a random variable with the density
f(x)=6[0.25-(x-1.5)^2] when 1<=x<=2, and
f(x)=0 other wise

Where x is measured in multiples of 1000

# Probability problems based on

See attached file.

Please show all work.

# Probability problems based on

You and your two friends decide to go to Burger King where 90% of the orders are filled accurately. What is the probability that:

a) all three orders are filled accurately?

b) none of the three will be filled accurately?

c) at least two of the three will be filled accurately?

d) What are the mean and standard deviation of this distribution? Interpret these values.

# Probability problems based on

At a large university, 500 freshmen take their final exam for their marketing course. Scores are normally distributed with a mean 79 and standard deviation 7. What is the probability of a score, X, falling between 73 and 83?

## Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
\$26
The price is based on these factors:
Number of pages
Urgency
Basic features
• Free title page and bibliography
• Unlimited revisions
• Plagiarism-free guarantee
• Money-back guarantee
On-demand options
• Writer’s samples
• Part-by-part delivery
• Overnight delivery
• Copies of used sources
Paper format
• 275 words per page
• 12 pt Arial/Times New Roman
• Double line spacing
• Any citation style (APA, MLA, Chicago/Turabian, Harvard)

# Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

### Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

### Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

### Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.