If X is a normal random variable with a mean of 78 and a standard deviation of 5, find the following probabilities:
a. $P ( X \leq 87 )$
b. $P ( X \geq 91 )$
c. $P ( X = 78 )$

Question

If X is a normal random variable with a mean of 78 and a standard deviation of 5, find the following probabilities: 
a. $P ( X \leq 87 )$
b. $P ( X \geq 91 )$
c. $P ( X = 78 )$

Quizplus · Accepted Answer

The Answer of If X is a normal random variable with a mean of 78 and a standard deviation of 5, find the following probabilities: 
a. $P ( X \leq 87 )$
b. $P ( X \geq 91 )$
c. $P ( X = 78 )$

If X Is a Normal Random Variable with a Mean P(X≤87)P ( X \leq 87 )P(X≤87)

If X Is a Normal Random Variable with a Mean $P ( X \leq 87 )$