What is the expected value of the sample mean weight give

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Reference no: EM13639534

a) What is the expected value of the sample mean weight? Give an exact answer.

b) What is the standard deviation of the sample mean weight? Give your answer to four decimal places.

c) What is the approximate probability the sample mean weight will be less than 25? Give your answer to four decimal places. Use the standard deviation as you entered it above to answer this question.

d) What is the value c such that the approximate probability the sample mean will be less than c is 0.98? Give your answer to four decimal places. Use the standard deviation as you entered it above to answer this question.

Reference no: EM13639534

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