The sample exception rate equals
a. the number of exceptions in the population divided by the population size.
b. the number of exceptions in the sample divided by the sample size.
c. the number of items in the population multiplied by the number of exceptions in the sample.
d. the number of exceptions in the population divided by the sample size.

Which of the following best describes the economic effect that results when the government increases interest rates and restricts the lending of money? a. borrowing money becomes more expensive and there is less investment in production. b. the economy grows as investments result in larger profits. c. government spending drives up prices because of greater competition for goods and services. d. consumers save more money and spend less buying goods and services.

Suppose you win a small lottery and have the choice of two ways to be paid: you can accept the money in a lump sum or in a series of payments over time. if you pick the lump sum, you get $2,950 today. if you pick payments over time, you get three payments: $1,000 today, $1,000 1 year from today, and $1,000 2 years from today. 1) at an interest rate of 6% per year, the winner would be better off accepting the (lump sum / payments over time), since it has the greater present value. 2) at an interest rate of 9% per year, the winner would be better off accepting the (lump sum / payments over time), since it has the greater present value. 3) years after you win the lottery, a friend in another country calls to ask your advice. by wild coincidence, she has just won another lottery with the same payout schemes. she must make a quick decision about whether to collect her money under the lump sum or the payments over time. what is the best advice to give your friend? a) the lump sum is always better. b) the payments over time are always better. c) it will depend on the interest rate; advise her to get a calculator. d) none of these answers is good advice.

You hear your supervisor tell another supervisor that a fire drill will take place later today when the fire alarm sounds that afternoon you should