In: Statistics and Probability
The number of times that students go to the movies per year has mean is a normal distribution with a mean of 17 with standard deviation of 8. What is the probability that for a group of 10 students, the mean number of times they go to the movies each year is between 14 and 18 times? (round your answer to the nearest hundredth)
***ANSWER IS NOT .2
The solution is done showing all steps with calculations and necessary explanations. Hope you can understand. A z-table is also attached.
z-table -