### (a) P(x > 74) in a normally distributed set of data with a mean of 62 and a standard deviation of 9 ... and 3 other questions

A) P(x > 74) in a normally distributed set of data with a mean of 62 and a standard deviation of 9. b) P(49 < x < 78) in a normally distributed set of data with a mean of 62 and a standard deviation of 9. c) The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 109 inches, and