Question

Imagine that Exam 1 for Statistics 2160 this term will have 66 questions. Each question has 5 multiple choice options, giving you a probability of 0.2 of getting each question right purely by guessing. Assuming that you guess on all questions, what is the probability that you get between 10 and 17 (inclusively) questions right on your exam?

Name: imagine that exam 1 for statistics 2160 this term will have 66 questions each question has 5 multiple choice options giving you a probability of 02 of getting each question right purely by g 22291
Uploaded: 2023-06-14T12:04:57-08:00
Duration: 1 min 42 s
Channel: Adi S
Description: imagine that exam 1 for statistics 2160 this term will have 66 questions each question has 5 multiple choice options giving you a probability of 02 of getting each question right purely by g 22291

          Imagine that Exam 1 for Statistics 2160 this term will have 66 questions. Each question has 5 multiple choice options, giving you a probability of 0.2 of getting each question right purely by guessing. Assuming that you guess on all questions, what is the probability that you get between 10 and 17 (inclusively) questions right on your exam?

Added by Aaron K.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

06/14/2023

Step 1

The probability of guessing a question correctly is 0.2 (since 1/5 = 0.2). We need to find the probability of getting between 10 and 17 (inclusive) questions right by guessing. Show more…

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Imagine that Exam 1 for Statistics 2160 this term will have 66 questions. Each question has 5 multiple choice options, giving you a probability of 0.2 of getting each question right purely by guessing. Assuming that you guess on all questions, what is the probability that you get between 10 and 17 (inclusively) questions right on your exam?