Solve the problem. There are 6 members on a board of directors. If they must elect a chairperson, a secretary, and a treasurer, how many different slates of candidates are possible? 0 a. 720 O b. 20 O c. 216 0 d. 120 Suppose you buy 1 ticket for 31 out of a lottery of 1,000 tickets where the prize for the one winning ticket is to be $500. What is your expected value? 0 a. -$0.50 0 b. -$0.40 0 c. $0.50 0 d. -$1.00 Use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis). The p-value is 0.0764. O a. Fail to reject the null hypothesis because p a O c. Reject the null hypothesis because p > a O d. Reject the null hypothesis because p