The heights of 20-year-old females  are normally distributed with a mea n of 64 inches  and a standard deviation of 2 inche s. What is the z-score for a height  of 67 inches?

Which statements are true? see picture

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.