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6. Stat A. Stishen is a Business Statistics student at State U. Unfortunately, he is not a very mature student, and he shows up for the final exam having spent no time preparing for it. During the multiple choice (MC) portion of the exam, he simply uses the random integer command on his calculator to make guesses for each item. Each item has five possible choices (only one is correct). The items referenced below only refer to this portion of the exam. (d) If the exam has 20 items, what is the likelihood Stat answers more than 10 correctly? (e) If the exam has 30 items, what is the likelihood Stat answers from 4 to 10 correctly? (f) If the exam has 16 items, how many do we expect Stat to answer correctly? Interpret the result.

6. Stat A. Stishen is a Business Statistics student at State U. Unfortunately, he is not a very mature student, and he shows up for the final exam having spent no time preparing for it. During the multiple choice (MC) portion of the exam, he simply uses the random integer command on his calculator to make guesses for each item. Each item has five possible choices (only one is correct). The items referenced below only refer to this portion of the exam. (d) If the exam has 20 items, what is the likelihood Stat answers more than 10 correctly? (e) If the exam has 30 items, what is the likelihood Stat answers from 4 to 10 correctly? (f) If the exam has 16 items, how many do we expect Stat to answer correctly? Interpret the result.

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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Question 6.1 - Bernoulli Trials binompdf and binomcdf (calculator) Please solve the problem with simple probability rules
6. Stat A. Stishen is a Business Statistics student at State U. Unfortunately, he is not a very mature student, and he shows up for the final exam having spent no time preparing for it. During the multiple choice (MC) portion of the exam, he simply uses the random integer command on his calculator to make guesses for each item. Each item has five possible choices (only one is correct). The items referenced below only refer to this portion of the exam. (d) If the exam has 20 items, what is the likelihood Stat answers more than 10 correctly? (e) If the exam has 30 items, what is the likelihood Stat answers from 4 to 10 correctly? (f) If the exam has 16 items, how many do we expect Stat to answer correctly? Interpret the result.
Transcribed Image Text:6. Stat A. Stishen is a Business Statistics student at State U. Unfortunately, he is not a very mature student, and he shows up for the final exam having spent no time preparing for it. During the multiple choice (MC) portion of the exam, he simply uses the random integer command on his calculator to make guesses for each item. Each item has five possible choices (only one is correct). The items referenced below only refer to this portion of the exam. (d) If the exam has 20 items, what is the likelihood Stat answers more than 10 correctly? (e) If the exam has 30 items, what is the likelihood Stat answers from 4 to 10 correctly? (f) If the exam has 16 items, how many do we expect Stat to answer correctly? Interpret the result.
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