Let be the mean annual salary of Major League Baseball players for 2002. Assume that the standard deviation of the salaries of these players is 96,000. What is the probability that the 2002 mean salary of a random sample of 50 baseball players was within 20,000 of the population mean, . Assume that .

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Factor the polynomial by its greatest common monomial factor.

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14