Can you please explain how the expert got these answers. Thank you

I Private I MassHealth 30 $20 10 Nights b. What is the relative risk (RR) that a patient will be admitted (spend at least 1 night hospitalized) depending on their health insurance coverage? (Hint: you will need to collapse the crosstab by combining 1 through 5 days.) Risk (MH) = 0.625 Risk (P) = 0.875 Relative Risk (MHI'P) = 0.714 c. What is the odds ratio (OR) that a patient will be admitted (spend at least 1 night hospitalized} depending on their health insurance coverage? Odds (MH) = 1.67 Odds (P) = 7.0 Odds Ratio (MHI'P) = 0.238 d. Is the overall distribution of length of stay skewed left, symmetric or skewed right? Skewed to the right, positively. Coverage Nights Private MassHealth Total 0 25 1 30 2 31 3 20 4 10 5 4 Total 80 40 120 a. (2 points) Calculate the appropriate percentages for this crosstabulation and display the percentages in a clustered bar graph. b. (3 points) What is the relative risk (RR) that a patient will be admitted (spend at least 1 night hospitalized) depending on their health insurance coverage? (Hint: you will need to collapse the crosstab by combining 1 through 5 days...so admitted or not admitted) c. (2 points) What is the odds ratio (OR) that a patient will be admitted (spend at least 1 night hospitalized) depending on their health insurance coverage