We are interested in determining whether or not the variances of the sales at two music stores (a and b) are equal. a sample of 26 days of sales at store a has a sample standard deviation of 30 while a sample of 16 days of sales from store b has a sample standard deviation of 20. 17. refer to exhibit 11-2. the test statistic is a. 1.50 b. 0.67 c. 1.56 d. 2.25 18. refer to exhibit 11-2. the p-value for this test is a. between 0.05 and 0.10 b. between 0.10 and 0.2 c. between 0.2 and 0.3 d. none of these alternatives is correct. 19. refer to exhibit 1 1-2 at 95% confidence the null hypothesis a. should be rejected b. should not be rejected c. should be revised d. none of these alternatives is correct.

Profits from using currency options and futures.on july 2, the two-month futures rate of the mexican peso contained a 2 percent discount (unannualized). there was a call option on pesos with an exercise price that was equal to the spot rate. there was also a put option on pesos with an exercise price equal to the spot rate. the premium on each of these options was 3 percent of the spot rate at that time. on september 2, the option expired. go to the oanda.com website (or any site that has foreign exchange rate quotations) and determine the direct quote of the mexican peso. you exercised the option on this date if it was feasible to do so. a. what was your net profit per unit if you had purchased the call option? b. what was your net profit per unit if you had purchased the put option? c. what was your net profit per unit if you had purchased a futures contract on july 2 that had a settlement date of september 2? d. what was your net profit per unit if you sold a futures contract on july 2 that had a settlement date of september 2

Tom has brought $150,000 from his pension to a new job where his employer will match 401(k) contributions dollar for dollar. each year he contributes $3,000. after seven years, how much money would tom have in his 401(k)?

If springfield is operating at full employment who is working a. everyone b. about 96% of the workforce c. the entire work force d. the robots