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A student takes a multiple choice test with 20 questions. Each question has 5 possible answers, only one of which is cor
Posted: Sun Oct 03, 2021 3:38 pm
by answerhappygod
- A Student Takes A Multiple Choice Test With 20 Questions Each Question Has 5 Possible Answers Only One Of Which Is Cor 1 (61.19 KiB) Viewed 130 times
A student takes a multiple choice test with 20
questions. Each
question has 5 possible answers, only one of which is correct. { a) If a student answers each
question at random, what is the probability that they will answer at least 14
questions correctly? Round your answer to seven decimal places. + b) If a student knows the answer to each
question with probability 0.9, what is the chance they will answer at least 14 correctly? Round your answer to four decimal places.