An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.4 minutes, A random sample of 34 dive durations has a mean of 12.1 minutes and a standard deviation of 2.3 minutes. a = 0.05 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 H, and H Ho: Ha (Type integers or decimals. Do not round.) The claim is the Vhypothesis.

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An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.4 minutes, A random sample of 34 dive durations has a mean of 12.1 minutes and a standard deviation of 2.3 minutes.
a = 0.05 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 H, and H.
Ho:
(Type integers or decimals. Do not round.)
The claim is the
V hypothesis.
Transcribed Image Text:Question Help An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.4 minutes, A random sample of 34 dive durations has a mean of 12.1 minutes and a standard deviation of 2.3 minutes. a = 0.05 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 H, and H. Ho: (Type integers or decimals. Do not round.) The claim is the V hypothesis.
Expert Solution
Step 1

Let n= sample size = 34

Given that sample mean x¯ = 12.1 min

Standard deviation s = 2.3 min

 

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