Assume that random guesses are made for eight multiple choice questions on an SAT​ test, so that there are n=8 ​trials, each with probability of success​ (correct) given by p=0.65. Find the indicated probability for the number of correct answers.   Find the probability that the number x of correct answers is fewer than 4.

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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Assume that random guesses are made for
eight
multiple choice questions on an SAT​ test, so that there are
n=8
​trials, each with probability of success​ (correct) given by
p=0.65.
Find the indicated probability for the number of correct answers.
 
Find the probability that the number x of correct answers is fewer than
4.
 
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