Suppose that the final exam scores of all students in a large math class are normally distributed with a mean of 130 points and a s.d. of 22 points. (a) (b) Find the probability that a r/s student's score is above 160 points. Find the 90th percentile of these students' scores.
Suppose that the final exam scores of all students in a large math class are normally distributed with a mean of 130 points and a s.d. of 22 points. (a) (b) Find the probability that a r/s student's score is above 160 points. Find the 90th percentile of these students' scores.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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