Sandra B.

asked • 03/10/21

Please help me, I really dont know the answer.

X is a normally distributed random variable with mean 85 and standard deviation 17. What is the probability that X is less than 55?

(A) .0338

(B) .0388

(C) .0038

(D) .3888

1 Expert Answer


Cristian M. answered • 03/10/21

4.6 (26)

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