bob received a z score of 0.9 on a college entrance exam. If the raw scores have a mean of 540 and a standard deviation of 80 points,what is his raw score?

Answer 1

Z = (score - mean)/ standard deviation

.9 = (score - 540)/80

Solve for score.

Answer 2

i can learn statistics problems

Answer 3

The mean scores on the stats exam was 75 points with a standard deviation of 5 points and becks z score was -2. How many points did he score?