Solve the problem.
-The scores on a certain test are normally distributed with a mean score of 60 and a standard deviation of 5. What is the probability that a sample of 90 students will have a mean score of at least 60.527?
A) 0.3413
B) 0.3174
C) 0.1587
D) 0.8413

Question

Quizplus · Accepted Answer

The Answer of Solve the problem.
-The scores on a certain test are normally distributed with a mean score of 60 and a standard deviation of 5. What is the probability that a sample of 90 students will have a mean score of at least 60.527?
A) 0.3413
B) 0.3174
C) 0.1587
D) 0.8413

Solve the Problem. -The Scores on a Certain Test Are Normally Distributed with Normally