You may need to use the appropriate appendix table or technology to answer ths question. Studes show that massage therapy has a variety of heaith benefis and it is not too expensive. A sample of 14. typical one-hour massope therapy sessions showed an average charge of s56. The population standard devation for a one-hour session is r is $6.5. (a) What assumptions about the population should we be willing to make if a marcia of errar is desired? We should be willing to make the assumption that the population is at least appronimately bimodal. We shovid be willing to make the assumption that the population is at lesst opprovimstely skewed ieth. We should be wiling to make the assumption that the populstion is at least approximately uniform. We should be willing to make the assumption that the population is at lesst approwimetely skewed righe. We should be willing to make the assumption that the population is at lesst approximetely normal. (b) Using 95% confidence, what is the margin of error in dollars? (pound your answer to the nearest cent.) x (c) Using 99 ts contidence, what is the margin of error in doilars? (Round your answer to the nearest cent) x You may need to use the appropriate appendix table or technology to answer this question. For a t distribution with 18 degrees of freedom, find the area, or probability, in each region. (Round your answers to three decimal places.) (a) to the right of 2.101 X (b) to the left of 1.734 x (c) to the left of -2.552 (d) to the right of 1.330 x (e) between -2.101 and 2.101 (f) between -2.552 and 2.552 For a t distribution with 18 degrees of freedom, find the area, or probability, in each region. (Round your answers to three decimal places.) (a) to the right of 2.101 x (b) to the left of 1.734 x (c) to the left of -2.552 (d) to the right of 1.330 x (e) between -2.101 and 2.101 (f) between -2.552 and 2.552 You may need to use the appropriate appendix table or technology to answer ths question. Studes show that massage therapy has a variety of heaith benefis and it is not too expensive. A sample of 14. typical one-hour massope therapy sessions showed an average charge of s56. The population standard devation for a one-hour session is r is $6.5. (a) What assumptions about the population should we be willing to make if a marcia of errar is desired? We should be willing to make the assumption that the population is at least appronimately bimodal. We shovid be willing to make the assumption that the population is at lesst opprovimstely skewed ieth. We should be wiling to make the assumption that the populstion is at least approximately uniform. We should be willing to make the assumption that the population is at lesst approwimetely skewed righe. We should be willing to make the assumption that the population is at lesst approximetely normal. (b) Using 95% confidence, what is the margin of error in dollars? (pound your answer to the nearest cent.) x (c) Using 99 ts contidence, what is the margin of error in doilars? (Round your answer to the nearest cent) x You may need to use the appropriate appendix table or technology to answer this question. For a t distribution with 18 degrees of freedom, find the area, or probability, in each region. (Round your answers to three decimal places.) (a) to the right of 2.101 X (b) to the left of 1.734 x (c) to the left of -2.552 (d) to the right of 1.330 x (e) between -2.101 and 2.101 (f) between -2.552 and 2.552 For a t distribution with 18 degrees of freedom, find the area, or probability, in each region. (Round your answers to three decimal places.) (a) to the right of 2.101 x (b) to the left of 1.734 x (c) to the left of -2.552 (d) to the right of 1.330 x (e) between -2.101 and 2.101 (f) between -2.552 and 2.552