Question

Given a normal distribution with 100 and 5-10, complete parts (a) through (d). 

 a. What is the probability that X > 95? 

   The probability that X> 95 is _______ 

 b. What is the probability that X< 85? 

   The probability that X < 85 is _______ 

 c. What is the probability that X < 75 or X> 115? 

  The probability that X < 75 or X> 115 is _______ 

 d. 90% of the values are between what two X-values (symmetrically distributed around the mean)? 

  90% of the values are greater than _______  and less than _______.

Answer 1

The normal distribution with mean u= 100 and standard deviation =10 sorry I didn't idea about part d.