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A zoologist thinks that adult male toads in N.Y. State have mean weight of 1.7 pounds....

A zoologist thinks that adult male toads in N.Y. State have mean weight of 1.7 pounds. To test this notion, she takes a random sample of 38 adult male toads in N.Y. State and finds that the mean weight of 1.8 pounds. Assume from previous studies that standard deviation of the weights of adult male toads in N.Y. State is 0.4 pounds. Perform the test at the 10% level of significance.
Math   Statistics-And-Probability   
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Answer #1

Here the hypothesis that adult male toads in N.Y. State have mean weight of 1.7 pounds, is tested using z-test for single mean. Detailed solution is attached here:

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