Question

If X is a normal random variable with standard deviation 2.50, and if the probability that X is more than 5.95 is .1271 (as shown below) , then what is the mean of X? (Note: the diagram is not necessarily to scale.)

Accepted Answer

A)  5.8
B)  5.0
C)  4.7
D)  3.1E) B) and C)
F) C) and D)

Exam 6: The Normal Distribution

If X is a normal random variable with standard deviation 2.50, and if the probability that X is more than 5.95 is .1271 (as shown below) , then what is the mean of X? (Note: the diagram is not necessarily to scale.)

Correct Answer
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Exam 6: The Normal Distribution

If X is a normal random variable with standard deviation 2.50, and if the probability that X is more than 5.95 is .1271 (as shown below) , then what is the mean of X? (Note: the diagram is not necessarily to scale.)

Correct AnswerverifiedShow Answer

Correct Answer
verified