Listed below are actual high temperatures and the high temperatures that were forecast five days earlier. use a .05 significance level to test the claim of a zero mean difference between the actual high temperatures and the high temperatures that were forecast one day earlier. use our 4-step procedure. this is a matched or paired samples hypothesis test. actual high: 80 77 81 85 73 high forecast one day earlier: 78 75 81 85 76

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.