2. Michelle invests $3000 in an account with an annual interest rate of 4%. Interest is compounded quarterly.

How much money will be in the account after 5 years?

b. How long will it take Michelle to have $5000 in the account?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

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.

How many square inches are in 60 square feet?