Question
An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.4 minutes. A random sample of 33 dive durations has
An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.4 minutes. A random sample of 33 dive durations has a mean of 12.4 minutes and a standard deviation of 2.3minutes. At x = 0.05 is there enough evidence to reject the oceanographer's claim? Complete parts (a) through (d) below. Assume the population is normally distributed.Ho:Ha:(Type integers or decimals. Do not round.)The claim is thehypothesis.(b) Use technology to find the P-value. Find the standardized test statistic, t.t =(Round to two decimal places as needed.)Obtain the P-value.P =(Round to three decimal places as needed.)(c) Decide whether to reject or fail to reject the null hypothesis.Ho because the P-value(d) Interpret the decision in the context of the original claim.Thereenough evidence at the % level of significance to(Type integers or decimals. Do not round.)greater than ?.supportrejectthe claim that the mean dive duration of a North Atlantic right whale isminutes.
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