A normal population has a mean of 56 and a standard deviatio
A normal population has a mean of 56 and a standard deviation of 11. You select a random sample of 9. Compute the probability the sample mean is (Round z values to 2 decimal places and final answers to 4 decimal places): a. Greater than 58. Probability .5454 b. Less than 55. Probability c. Between 55 and 58. Probability
Solution
