ace. willie x Go to WeBWork x Dashboard X WeBWork : MATH220_4 x G what does it mean if a x G is the p value the probe x + webwork.lib.jmu.edu/webwork2/MATH220_4101_4W1_SM22/Homework_6/6/?effectiveUser=williafg&user=williafg&key=qnbQ6nCuElqDSy8b1BCe5F1j7jTW2KOi G a C E M Previous Problem List Next The injuries encountered by a sample of 400 male rugby players were recorded for the duration of a playing season. The breakdown of injuries was as follows: ankle (15%); groin (12%); hamstrings (28%); knee (20%); quadriceps (15%); shoulder (10%) Test the truth of the claim that a quarter of all rugby injuries are hamstring injuries? Use a significance level of 0.01. (a) State the null and alternative hypotheses. Ho : P= 0.25 Ha : p not = 0.25 (b) Calculate the test statistic. P - Po 2 = (Keep at least four decimal places.) VPo (1 - Po) / n (c) Calculate the p-value. (Keep at least four decimal places.) (d) State the decision. select the null hypothesis. Note: You can earn partial credit on this problem. Preview My Answers Submit Answers