The diameters of bolts produced by a certain machine are normally ...

[nmorano1]

The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.32 inches?
 
  A) 47.72 B) 97.72 C) 2.28 D) 37.45

Question 2

The variable X is normally distributed.The mean is  = 22.0 and the standard deviation is  = 2.4.
  Find P(19.7 < X < 25.3).
 
  A) 1.0847 B) 0.3370 C) 0.7477 D) 0.4107

[smrtceo]

Answer to Question 1

C

Answer to Question 2

C

[nmorano1]

Wow, this really help

[mammy1697]

Thanks for the timely response, appreciate it