The mean age of a random sample of 25 people who play slot machines is 48.7 years. The population standard deviation of people playing slot machines is 6.8 years. The mean age of a random sample of 35 people who play roulette is 55.3 years. The population standard deviation of people playing roulette is 3.2 years. Can it be concluded at 0.05 that the mean age of people who play slot machines is less than the mean age of people who play roulette? a) Based on reading the problem, how do we know we are working with a hypotheses test (H_0 and H_1)? This question has two possible answers. is provided. Asks us to find (estimate) the % confidence interval of the population (true) mean. Asks if there is evidence or can we conclude something. Asks us to find the sample size (how many or how large). Asks us to find (estimate) the % confidence interval of the population (true) proportion. Correct b) State the and and the determine which one of the two will be the claim. H_0 : - Correct = Correct Not the claim Correct H_1 : - Correct < Correct Claim