Assume that college statistics students have normally distributed heights with a mean of 68.0 in. and a

Question:

Assume that college statistics students have normally distributed heights with a mean of 68.0 in. and a standard deviation of 4.36 in. (based on Data Set 8 in Appendix B).
If 45 students are randomly selected, what is the probability that their mean height is between 67.0 in. and 71.0 in.?