Answer Happy

Posted: **Mon Apr 11, 2022 6:21 am**

: On A Multiple Choice Test Each Question Has 5 Possible Answers A B C D Or E A Person Taking The Test Does Not Kno 1 (48.37 KiB) Viewed 25 times

: On A Multiple Choice Test Each Question Has 5 Possible Answers A B C D Or E A Person Taking The Test Does Not Kno 2 (142.17 KiB) Viewed 25 times

On a multiple-choice test, each question has 5 possible answers: A, B, C, D, or E. A person taking the test does not know the answer to 12 of the questions and decides to guess on all of them. Use this scenario to answer the following questions.
8) What is the probability that the person will get exactly 4 of the 12 questions correct? Round your answer to four decimal places. 9) What is the probability that the person will get less than 4 of the 12 questions correct? Round your answer to four decimal places. 10) What is the probability that the person will get more than 4 of the 12 questions correct? Round your answer to four decimal places. 11) What is the probability that the person will get at least 4 of the 12 questions correct? Round your answer to four decimal places. 12) What is the probability that the person will get at most 4 of the 12 questions correct? Round your answer to four decimal places. 13) If you calculate 12C4, you will get the same number as 12C8. Why is this? Explain.