mound shaped distribution, statistics homework help

1. Assume there is a mound shaped distribution witha mean of 56 and a standard deviation of 2.5. Use this information to answer the following questions.

a. What is the approximate percent of the areabetween 51 and 61?

b. What is the approximate percent of the areabelow 53.5?

c. What is the approximate percent of the areaabove 61?

d. What is the approximate percent of the areabetween 58.5 and 63.5?

e. What is the z-score for 63.3?

f. What is the z-score for 61?

g. What is the data value associated with the z-scoreof -1.5?

h. What is the data value associated with thez-score of 2.2?