Chickens usually have the mean weight of 8.5 pounds. Farmers are complaining tha

Question

Chickens usually have the mean weight of 8.5 pounds. Farmers are complaining that the chickens are underfed. As evidence 100 chickens are weighed and found to have the mean weight of 7.5. The population standard deviation is 11. Based on the data what are the null and alternative hypothesis and why. Chickens usually have the mean weight of 8.5 pounds. Farmers are complaining that the chickens are underfed. As evidence 100 chickens are weighed and found to have the mean weight of 7.5. The population standard deviation is 11. Based on the data what are the null and alternative hypothesis and why.

Explanation / Answer

Farmers' claim is that chichens are underfed. This means they are under weight. Hence the alternate hypothesis i.e. claim would be mean is less than 8.5 pounds. and opposite would be null hypothesis

Below are the null and alternate hypothesis

H0: mu >= 8.5

H1: mu < 8.5

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