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Maxine takes a 37-question multiple-choice exam, but she did not study and randomly guesses each answer. Each question has 5 possible choices for the answer. Let the random variable ✗ be the number of questions Maxine guesses correctly on the exam. How is X distributed? ✗~B 37 ☑, 0.2 Find the probability that the student gets exactly 6 questions right. Part 2 of 2 Find the probability that the student gets more than 13 but less than 26 questions right. Find the mean of the distribution. Find the standard deviation of the distribution.

Maxine takes a 37-question multiple-choice exam, but she did not study and randomly guesses each answer. Each question has 5 possible choices for the answer. Let the random variable ✗ be the number of questions Maxine guesses correctly on the exam. How is X distributed? ✗~B 37 ☑, 0.2 Find the probability that the student gets exactly 6 questions right. Part 2 of 2 Find the probability that the student gets more than 13 but less than 26 questions right. Find the mean of the distribution. Find the standard deviation of the distribution.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Maxine takes a 37-question multiple-choice exam, but she did not study and randomly guesses each answer. Each question has 5 possible choices for the answer. Let the random variable ✗ be the number of questions Maxine guesses correctly on the exam. How is X distributed? ✗~B 37 ☑, 0.2 Find the probability that the student gets exactly 6 questions right. Part 2 of 2 Find the probability that the student gets more than 13 but less than 26 questions right. Find the mean of the distribution. Find the standard deviation of the distribution.
Transcribed Image Text:Maxine takes a 37-question multiple-choice exam, but she did not study and randomly guesses each answer. Each question has 5 possible choices for the answer. Let the random variable ✗ be the number of questions Maxine guesses correctly on the exam. How is X distributed? ✗~B 37 ☑, 0.2 Find the probability that the student gets exactly 6 questions right. Part 2 of 2 Find the probability that the student gets more than 13 but less than 26 questions right. Find the mean of the distribution. Find the standard deviation of the distribution.
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