Monday
March 27, 2017

Post a New Question

Posted by on .

A multiple choice exam has 20 questions; there are four choices for each question.
A student guesses the answer to every question. Find the chance that he guesses correctly between four and seven times.
Find the minimum score the instructor can set so that the probability that a student will pass just by guessing is 20% or less.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question