A multiple-choice test consists of 9 questions. Each question has answer choices of a, b, c, d, and e, and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that he gets at least 2 of them correct? Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places. (If necessary, consult a list of formulas.)
A multiple-choice test consists of 9 questions. Each question has answer choices of a, b, c, d, and e, and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that he gets at least 2 of them correct? Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places. (If necessary, consult a list of formulas.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![**Probability in Multiple-Choice Tests**
*Problem Statement:*
A multiple-choice test consists of 9 questions. Each question has answer choices of \(a, b, c, d,\) and \(e\), and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that he gets at least 2 of them correct?
*Instructions:*
Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places.
(If necessary, consult a list of formulas.)
---
*Visual Aids and Interactions:*
Below the text, there are interactive input fields for submitting answers or calculations. One button likely contains options to confirm or reset the input.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F18084dd8-0cd2-4e08-bd77-001f2ce4ed48%2F44fa5985-c863-467e-980b-aafc03ddf289%2Fhexsono_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Probability in Multiple-Choice Tests**
*Problem Statement:*
A multiple-choice test consists of 9 questions. Each question has answer choices of \(a, b, c, d,\) and \(e\), and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that he gets at least 2 of them correct?
*Instructions:*
Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places.
(If necessary, consult a list of formulas.)
---
*Visual Aids and Interactions:*
Below the text, there are interactive input fields for submitting answers or calculations. One button likely contains options to confirm or reset the input.
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