QUESTION 24 A random sample of size n = 100 is taken from a population with mean = 80 and a standard deviation o = 14. (
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QUESTION 24 A random sample of size n = 100 is taken from a population with mean = 80 and a standard deviation o = 14. (
QUESTION 24 A random sample of size n = 100 is taken from a population with mean = 80 and a standard deviation o = 14. (a) Calculate the expected value of the sample mean. (b) Calculate the standard error for the sampling distribution of the sample mean. (c) Calculate the probability that the sample mean falls between 77 and 85. (d) Calculate the probability that the sample mean is greater than 84. (2) (3) (5) (4) [14]