BINOMIAL DISTRIBUTION: Suppose you are given a 3 question multiple- choice test. Each question has 4responses and only one is correct. Suppose you want to find the probability that you can just guess at the answers and get 2 questions right. (Teachers do this all the time when they make up a multiple-choice test to see if students can still pass without studying. In most cases the students can't.) To help with the ide that you are going to guess, suppose the test is in Martian. What is the probability of getting 2 questions right? *

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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BINOMIAL DISTRIBUTION: Suppose you are given a 3 question multiple-
choice test. Each question has 4responses and only one is correct.
Suppose you want to find the probability that you can just guess at the
answers and get 2 questions right. (Teachers do this all the time when
they make up a multiple-choice test to see if students can still pass
without studying. In most cases the students can't.) To help with the idea
that you are going to guess, suppose the test is in Martian. What is the
probability of getting 2 questions right? *
Transcribed Image Text:BINOMIAL DISTRIBUTION: Suppose you are given a 3 question multiple- choice test. Each question has 4responses and only one is correct. Suppose you want to find the probability that you can just guess at the answers and get 2 questions right. (Teachers do this all the time when they make up a multiple-choice test to see if students can still pass without studying. In most cases the students can't.) To help with the idea that you are going to guess, suppose the test is in Martian. What is the probability of getting 2 questions right? *
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