a. Find a value for e such that 95% of the apples in Exercise 7.50 are within e units of the mean, 2.63. That is, find e such that P(2.63  e  x  2.63



e)  0.95.

b. Find a value for E such that 95% of the samples of 100 apples taken from the orchard in Exercise 7.50 will have mean values within E units of the mean, 2.63. That is, find E such that P (2.63  E  x  2.63

 E )  0.95.