9. A multiple choice test with 20 questions is given. Each question has four choices, with exactly one of the choices being the correct answer. Using the binompdf or binomcdf function of the calculator, find the probability of randomly guessing and getting exactly 5 questions correct. 10. Using the same information in #9, find the probability of randomly guessing and getting at most 5 questions correct.
9. A multiple choice test with 20 questions is given. Each question has four choices, with exactly one of the choices being the correct answer. Using the binompdf or binomcdf function of the calculator, find the probability of randomly guessing and getting exactly 5 questions correct. 10. Using the same information in #9, find the probability of randomly guessing and getting at most 5 questions correct.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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Transcribed Image Text:9. A multiple choice test with 20 questions is given. Each question has four choices, with exactly
one of the choices being the correct answer. Using the binompdf or binomcdf function of the
calculator, find the probability of randomly guessing and getting exactly 5 questions correct. 10.
Using the same information in #9, find the probability of randomly guessing and getting at most 5
questions correct.
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