For a normal population with a mean of µ = 80 and a standard deviation of σ = 10, what is the probability of obtaining a sample mean greater than m = 75 for a sample of n = 25 scores?

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c