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Mathematics, 01.12.2020 23:30 williamabigan

an oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.5 minutes. A random sample of 34 dive duration has a mean of 12.2 minutes and a standard deviation of 2.2 minutes. Is there enough evidence to reject the claim at a=0.10

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an oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.5 minutes....
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