A random sample of 22 acres gave a mean yield of wheat equal to 44 bushels per acre with astandard deviation of 3 bushels. Assuming that the yield of wheat per acre is normally distributed.(a) What is...

A random sample of 22 acres gave a mean yield of wheat equal to 44 bushels per acre with astandard deviation of 3 bushels. Assuming that the yield of wheat per acre is normally distributed.(a) What is the point estimate of population mean (µ)?(b) Construct a 99% confidence interval for µ and hence comment on the result.(c) What is the margin of error for the estimate?