You place $2,000 in an account that pays 8% interest compounded continuously. You plan to hold the
account for exactly 3 years. At the same time, in
another account you deposit money that earns 9%
compounded semiannually. If the accounts are to have
the same amount at the end of the 3 years, how much
of an initial deposit do you need to make now in the
account that pays 9% interest compounded
semiannually?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

From a group of 10 men and 8 women, 5 people are to be selected for a committee so that at least 4 men are on the committee. howmany ways can it be done?

Complete this sentence with the best of choices given