A random sample of 40 ostrich eggs has a mean incubation period of 42 days. Assume the

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A random sample of 40 ostrich eggs has a mean incubation period of 42 days. Assume the population standard deviation is 1.6 days.

(a) Construct a 95\% confidence interval for the population mean incubation period.

(b) A zoologist claims that the mean incubation period for ostriches is at least 45 days. At $\alpha=0.05$, can you reject the zoologist's claim? Interpret the decision in the context of the original claim.

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Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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Question Posted: May 05, 2024 09:00 AM

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A random sample of 40 ostrich eggs has a mean incubation period of 42 days. Assume the

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a 415 425 b There is enough evid...View the full answer

Elementary Statistics Picturing The World

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