Mathematics, 29.07.2019 12:30 chloeboo
Astudent takes a true-false test that has 12 questions and guesses randomly at each answer. let x be the number of questions answered correctly. find p(x=5) a. 0.1934 b. 0.2256 c. 0.1208 d. 0.0002
Answers: 1
, where n is the number of trials (questions), k is the number of successes (correct answers), and p is the probability of a success (0.5 on true-false questions). Using our information we have:
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Astudent takes a true-false test that has 12 questions and guesses randomly at each answer. let x be...
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