7. Which of the following distributions has a mean that varies? I. The population distribution
II. The distribution of sample data
III. The sampling distribution of the sample mean
(a) I only
(b) II only
(c) III only
(d) II and III
(e) all three distributions

Ineed to know the answer to this algebra question.

Tan198=asin164=? how to solve this? ?

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?