The quality control manager at a computer manufacturing company believes that the mean life of a computer is 102 months, with a variance of 100.
if he is correct, what is the probability that the mean of a sample of 82 computers would be less than 105.29 months?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

Proportions in triangles solve for x