5.

Athlete has Use the contingency table to the right to calculate the marginal Result Stretched Not stretched frequencies and find the expected frequency for each cell in the 17 26 contingency table. Assume that the variables are independent. Injury No injury 224 195 (a) Calculate the marginal frequencies and sample size. Athlete has Result Stretched Not stretched Total Injury 17 26 No injury 224 195 Total (b) Find the expected frequency for each cell in the contingency table. Athlete has Result Stretched Not stretched Injury No injury (Round to two decimal places as needed.)