# An oceanographer claims that t

An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.3 minutes. A random sample of 34 dive durations has a mean of 12.4 minutes and a standard deviation of 2.2 minutes. At α=0.10 is there enough evidence to reject the​ oceanographer’s claim? Complete parts​ (a) through​ (d) below. Assume the population is normally distributed.

(a) Identify the claim and state H0 and Ha.

(b) use technology to find the P value. Find the standardized test statistic, t.

t=______

Obtain the P value

P=_______

(c)Decide whether to reject or fail to reject the null hypothesis:

(d) Interpret the decision in the context of the original claim:

# An oceanographer claims that t

An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.3 minutes. A random sample of 35 dive durations has a mean of 12.5 minutes and a standard deviation of 2.3 minutes. At α=0.01 is there enough evidence to reject the​ oceanographer’s claim? Complete parts​ (a) through​ (d) .  Assume the population is normally distributed.

(a)Identify the claim and state H0 and Ha.

(b) The claim is the ______ hypothesis

(c) Decide whether to reject or fail to reject the null hypothesis.

(d) Interpret the decision in the context of the original claim.

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