Mathematics, 11.02.2020 21:17 kelly1240

A statistics teacher started class one day by drawing the names of 10 students out of a hat and asked them to do as many pushups as they could. The 10 randomly selected students averaged 15 pushups per person with a standard deviation of 9 pushups. Suppose the distribution of the population of number of pushups that can be done is approximately normal. The 95% confidence interval for the true mean number of pushups that can be done is

a. 13.02 to 16.98.
b. 8.56 to 21.40.
c. 11.31 to 18.55.
d. 5.75 to 24.25.

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A statistics teacher started class one day by drawing the names of 10 students out of a hat and aske...