Given that the random variable X is normally distributed with a mean of 20 and a standard deviation of 7, P(28$\le$ X $\le$30) is:
A) 2
B) 0.0507 .
C) 0.8729
D 0.9236

Question

Given that the random variable X is normally distributed with a mean of 20 and a standard deviation of 7, P(28$\le$ X $\le$30) is: 
A)  2 
B)  0.0507 . 
 C)  0.8729 
D 0.9236

Quizplus · Accepted Answer

The Answer of Given that the random variable X is normally distributed with a mean of 20 and a standard deviation of 7, P(28$\le$ X $\le$30) is: 
A)  2 
B)  0.0507 . 
 C)  0.8729 
D 0.9236

Given That the Random Variable X Is Normally Distributed with a Mean