Homework 5c

1. What is the probability that the income of a single teacher is at least $50,000 given the following:

Pop. Mean µ=$58,200

Pop. Standard deviation Ϭ=$6,750

2. What is the probability that 25 fish will have a mean weight of 40 lbs. given the following:

Pop. Mean µ=42.5 lbs.

Pop. Standard Deviation Ϭ=13.6

n=25