Mathematics, 05.11.2019 12:31 evan67
Astudent takes a true-false test that has 14 questions and guesses randomly at each answer. let x be the number of questions answered correctly. find p(9)
Answers: 3
follows a binomial distribution on 
questions and with success probability 
. So
possible ways to fill out the answers to the test, right or wrong. The number of ways to get exactly 9 correct answers is
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Astudent takes a true-false test that has 14 questions and guesses randomly at each answer. let x be...
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