Question: More exercises on Cl with one mean/one population proportion 1. The average test score in a Chemistry class is normally distributed with a standard deviation


More exercises on Cl with one mean/one population proportion 1. The average test score in a Chemistry class is normally distributed with a standard deviation of 6.5. 100 scores with a sample mean of 82 were selected at random. a) Find a 90% CI for the population mean scores. b) What is the value of the margin of error
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