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An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11 5 minutes. A random sample of 33 dive durations

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An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11 5 minutes. A random sample of 33 dive durations has a mean of 12.3 minutes and a standard deviation of 2 2 minutes. At a = 0.01 is there enough evidence to reject the oceanographer's claim? Complete parts (a) through (d) below. Assume the population is normally distributed Ho 115 Ha 11 5 (Type integers or decimals Do not round.) The claim is the |alternative hypothesis (b) Use technology to find the P-value. Find the standardized test statistic, t of lom t= (Round to two decimal places as needed ) 1 of omp Obtain the P-value P =[ (Round to three decimal places as needed.) (c) Decide whether to reject or fail to reject the null hypothesis of oo Ho because the P-value greater than a 0 of 1 (d) Interpret the decision in the context of the original claim. There enough evidence at the |% level of significance to the claim that the mean dive duration of a North Atlantic right whale is

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