Plz Correct Answer for b and c

nu may need to use the appropriate appendix table or technology to answer this question. tudies show that massage therapy has a variety of health benets and it is not too expensive. A sample of 14 typical one-hour lassage therapy sessions showed an average charge of $58. The population standard deviation for a one-hour session is = $5.5. Ia) What assumptions about the population should we be willing to make if a margin of error is desired? 0 We should be willing to make the assumption that the population is at least approximately uniform. 0 We should be willing to make the assumption that the population is at least approximately normal. 0 We should be willing to make the assumption that the population is at least approximately skewed right. 0 We should be willing to make the assumption that the population is at least approximately bimodal. Q We should be willing to make the assumption that the population is at least approximately skewed left. a! :b) Using 95% condence, what is the margin of error in dollars? (Round your answer to the nearest cent.) $-x :c) Using 99% condence, what is the margin of error in dollars? {Round your answer to the nearest cent.) i-x