Wild boar population weight has standard deviation of 50 lb. a) Find the probability of existence of a random sample (size 100) weight within + 5 lb. of population mean weight. b) For the same sample...

Wild boar population weight has standard deviation of 50 lb.

a) Find the probability of existence of a random sample (size 100) weight within + 5 lb. of population mean weight.

b) For the same sample size, find the probability of the weight within + 10 lb. of population mean weight.