Suppose that, for a popolation height is normally distributed with mean 5.7ft and st dev 0.5 ft

a) determine the probability that an individal is less than 6 ft tall.

b) determine the probablitiy that an inididiual is greater than 5.5ft tall

c) determine the 95% probability madd interval centered about the mean

d) determine the height x such that the probability that an individual is shorter than x is 80%

Use excel to solve