Mathematics, 22.09.2019 22:30, Yasido888
The mean preparation fee h& r block charged retail customers last year was $183 (the wall street journal, march 7, 2012). use this price as the population mean and assume the population standard deviation of preparation fees is $50.
a. what is the probability that the mean price for a sample of 30 h& r block retail customers is within $8 of the population mean?
b. what is the probability that the mean price for a sample of 50 h& r block retail customers is within $8 of the population mean?
c. what is the probability that the mean price for a sample of 100
Answers: 1
Mathematics, 21.06.2019 20:00, alisonlebron15
An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years
Answers: 1
Mathematics, 21.06.2019 21:00, deondra0803
Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.
Answers: 1
The mean preparation fee h& r block charged retail customers last year was $183 (the wall street...
Mathematics, 28.04.2021 20:10
Mathematics, 28.04.2021 20:10
French, 28.04.2021 20:10
Mathematics, 28.04.2021 20:10