1.In a survey of men in the U.S. (aged 20 to 29), the mean height is 69.9 inches with a standard deviation of 3 inches.Assume this height data is normally distributed. (3pts each) (Round to 4 decimal places)

a.What percentage of these men are taller than 6 feet? (1 foot = 12 inches)

b.How tall are the tallest 20% of men?Round to one decimal place.

c.Find the 25^th percentile.Interpret this value in a sentence.