Athlete has Not stretched Use the contingency table to the right to calculate the marginal frequencies and find the expected frequency for each cell in the contingency table. Assume that the variables...

Extracted text: Athlete has Not stretched Use the contingency table to the right to calculate the marginal frequencies and find the expected frequency for each cell in the contingency table. Assume that the variables are independent. Result Stretched Injury No injury 22 29 222 177 (a) Calculate the marginal frequencies and sample size. Athlete has Result Stretched Not stretched Total Injury 22 29 51 No injury 222 177 399 Total 244 206 450 (b) Find the expected frequency for each cell in the contingency table. Athlete has Stretched Not stretched Result Injury No injury (Round to two decimal places as needed.)