Can somebody please help me with the following word problem?
A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is 20%. The researcher gathers a random sample of 120 individuals who live in California and finds that the number who exercise regularly is 31 out of 120.
A. What is x 2 obt?
B. What is df for this test?
C. What is x 2 cv?
D. What conclusion should be drawn from these results?
A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is 20%. The researcher gathers a random sample of 120 individuals who live in California and finds that the number who exercise regularly is 31 out of 120.
A. What is x 2 obt?
B. What is df for this test?
C. What is x 2 cv?
D. What conclusion should be drawn from these results?