An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.3 minutes. A random sample of 32 dive durations has a mean of 12.3 minutes and a standard deviation of 2.2...

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Extracted text: An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.3 minutes. A random sample of 32 dive durations has a mean of 12.3 minutes and a standard deviation of 2.2 minutes. At 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. (b) Use technology to find the P-value. Find the standardized test statistic, t. t = 2.57 (Round to two decimal places as needed.) Obtain the P-value. P = 0.015 (Round to three decimal places as needed.) (c) Decide whether to reject or fail to reject the null hypothesis. Reject Ho because the P-value is not greater than a. (d) Interpret the decision in the context of the original claim. less than 11 minutes. reject the claim that the mean dive duration of a North Atlantic right whale is There is enough evidence at the 5% level of significance to (TYpe integers or decimals. Do not round.)