In: Statistics and Probability
3. The Associate Dean for Library Services wants to estimate the mean number of times students use the library during a semester. A sample study of 35 students showed a mean of 11 times with a standard deviation of 3 times. A. What is the population mean, using a 99 percent confidence interval? B. What can be concluded from the results? C. What is the population mean, using a 95 percent confidence interval? D. What can be concluded from the results?