Asimple random sample of size n is drawn from a population that is normally distributed. the sample mean, x-bar, is found to be 108, and the sample standard deviation, s, is found to be 17. construct a 95% confidence interval for μ if the sample size, n, is 81. hint: calculate e and round to 1 decimal place. then construct the interval by putting parenthesis around the lower bound and upper bound separated by a comma).

Upper a report about the decline of western investment in third world countries included this: "after years of daily flights comma several european airlines halted passenger service. foreign investment fell 400 percent during the 1990 s." what is wrong with this statement? choose the correct answer below. a. if foreign investment fell by 100 % comma it would be totally eliminated comma so it is not possible for it to fall by more than 100 %. b. the actual amount of the decrease in foreign investment is less than 100%. c. if foreign investment fell by 100%, it would be cut in half. thus, a decrease of 200% means that it would be totally eliminated, and a decrease of more than 200% is impossible. d. the statement does not mention the initial amount of foreign investment.

Suppose for a consumer the marginal utility (mu) of bread is 20 utils and the mu of milk is 10 utils; the price of bread is $3 and the price of milk is $1. given this, a. more utility per dollar is gained from consuming bread than milk. b. more utility per dollar is gained from consuming milk than bread. c. the same amount of utility per dollar is gained from consuming milk as bread. d. the consumer is in consumer equilibrium.

Which of the following can an interviewer legally ask you about at a job interview? a. your marital status b. whether or not you have medical conditions c. whether or not you’ve been convicted of a crime d. your age