A sociologist found that in a random sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.2. The population standard deviation is 2.1.

What variable are you studying?

A. Retirement age

B. Lifetime expectancy

C. Number of jobs in a lifetime

Find the 95% confidence interval of the mean number of jobs. We are 95% confident that the true mean number of jobs is between:

A. 6.0 and 6.5

B. 6.6 and 7.8

C. 6.4 and 7.1

Based upon past experience, barry expects no overdrafts. he expects no 2nd copies of statements. barry estimates that he will use network atms about 5 times a month with either bank. barry decides in the end to choose eecu. assuming that both banks provide the necessary services equally well, and based upon the tables of fees given above, how much can barry reasonably expect to save annually by choosing eecu in this case over e-town bank? a. $72 b. $78 c. $144 d. $24

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?