(5) In a recent year, some professional baseball player complained that umpires were calling more strikes than the rate of 61% called the previous year. At one point in the season, umpire Dan Morrison called strikes in 2231 of 3581 pitches (based on data fromUSA Today. Use a 0.10 significant level to test the claim that Morrison's strike rate is higher than 61%.
(6) A researching team conduct a survey, where out of 76 Americans surveyed, only 2 had seen or sensed the presence of an angel. Test the claim that 13% of Americans have seen or sensed the presence of an angel. Use αα=0.05.
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here