SOLUTION: Given a 10 question multiple choice exam with four answer choices, what is the probability of getting at least a score of 70 percent

Algebra.Com
Question 804832: Given a 10 question multiple choice exam with four answer choices, what is the probability of getting at least a score of 70 percent
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Given a 10 question multiple choice exam with four answer choices, what is the probability of getting at least a score of 70 percent
-----------
Binomial Problem with n = 10 and P(correct) = 1/4
-----
P(7<- x <=10) = 1 - P(0<= x <=6) = 1 - binomcdf(10,1/4,6) = 0.0035
===========================
Cheers,
Stan H.
==============

RELATED QUESTIONS

a student takes a 22 question multiple choice exam with four choices for each question... (answered by solver91311)
A student takes a 5 question multiple choice exam with four choices for each question.... (answered by robertb)
A student takes a multiple choice exam with 10 questions 6 possible selection per answer. (answered by vksarvepalli)
Suppose a student is taking a 5-response multiple choice exam; that is, the choices are... (answered by richard1234)
A multiple choice test has 10 questions. Each question has four answer choices. a. What (answered by Boreal)
what is the probability that a student will answer at least nine questions correctly by... (answered by stanbon)
Suppose you are given a three-question multiple-choice quiz in which each question has... (answered by stanbon)
A student takes a 20 question, multiple choice exam with 5 choices for each question. If... (answered by reviewermath)
You take a 10 question multiple choice test. Each question has 4 choices and you randomly (answered by stanbon)