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You took a test with 40 multiple choice questions. Each question had 5 choices. What is the probability that you get at least 28 questions correct if you guessed in all of them.

You took a test with 40 multiple choice questions. Each question had 5 choices. What is the probability that you get at least 28 questions correct if you guessed in all of them.

A First Course in Probability (10th Edition)
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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A2 both these questions were answered wrong. please fix !
The probability that a person gets diagnosed with cancer at some point in their lifetime is 38%. If you pick 3000 people, is it unusually low to get 1100 people with cancer at some point in their life? Yes/No no because the probability we use is 0066 (3 decimals, like .045), which is more/less more than 05
Transcribed Image Text:The probability that a person gets diagnosed with cancer at some point in their lifetime is 38%. If you pick 3000 people, is it unusually low to get 1100 people with cancer at some point in their life? Yes/No no because the probability we use is 0066 (3 decimals, like .045), which is more/less more than 05
You took a test with 40 multiple choice questions. Each question had 5 choices. What is the probability that you get at least 28 questions correct if you guessed in all of them. 0.9625
Transcribed Image Text:You took a test with 40 multiple choice questions. Each question had 5 choices. What is the probability that you get at least 28 questions correct if you guessed in all of them. 0.9625
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