SOLUTION: A simple random sample of 60 bears has a mean weight of 182.9 pounds. Assume σ is known to be 121.8 pounds. Use a 10% signifiance level to test the claim that the populatio

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Question 871732: A simple random sample of 60 bears has a mean weight of 182.9 pounds. Assume σ is known to be 121.8
pounds. Use a 10% signifiance level to test the claim that the population mean weight is less than 200

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
repost
σ is known to be 121.8 ??????
H0: mu = < 200 claim
z = -17.1/15.124 = -1.13
P(z < -1.13) = 12.92% vs 10% significance level
A Fail to reject Ho. There is not enough evidence to reject the claim that mean weight < 200

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