Chapter 6 Section 64 Problem 29a Scores on a certain nationw

Chapter 6, Section 6.4, Problem 29a

Scores on a certain nationwide college entrance examination follow a normal distribution with a mean of 500 and a standard deviation of 100. Find the probability that a student will score:

Over 670.0.

Round your answer to four decimal places.

Your answer.

the absolute tolerance is +/-0.0001

Solution

mean mu = 500

standard deviation sigma= 100

Let Z =(X