SOLUTION: A student has not studied for the above six-question quiz. Each multiple-choice question has four answers and she picks one randomly. What is the chance that she will get at least

Algebra.Com
Question 399961: A student has not studied for the above six-question quiz. Each multiple-choice question has four answers and she picks one randomly. What is the chance that she will get at least four right?
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
student has not studied for the above six-question quiz. Each multiple-choice question has four answers and she picks one randomly. What is the chance that she will get at least four right?
---------
Binomial Problem with n = 6 and p = 1/4
---
P(4<= x <= 6) = 1 - binomcdf(6,1/6,3) = 0.0087
===========
Cheers,
Stan H.
================

RELATED QUESTIONS

Each question of a five-question multiple choice exam has four possible answers. Whitney... (answered by stanbon)
Ava is taking a multiple choice quiz for which she has not studied. There are 5 questions (answered by ewatrrr)
In a multiple choice exam, there are 5 questions and 4 choices for each question (a, b,... (answered by ikleyn)
1. Joe has been given a 10 multiple-choice question in his Geography class. Each question (answered by stanbon)
Each question of a 5-question multiple choice exam has 3 possible answers. Suppose a... (answered by stanbon)
Each question of a 5-question multiple choice exam has possible answers. Suppose a... (answered by jorel555)
Each question of a​ 5-question multiple choice exam has 3 possible answers. Suppose (answered by jorel555)
Six questions are in a multiple choice quiz. Each question has 5 possible answers. A... (answered by ikleyn)
EACH QUESTION OF 5-QUESTION MULTIPLE CHOICE EXAM HAS 5 POSSIBLE ANSWERS. SUPPOSE A... (answered by Boreal)