SOLUTION: If you have a true/false test with 4 questions on it if you guess what is the probability of getting at least two right?

Algebra.Com
Question 737485: If you have a true/false test with 4 questions on it if you guess what is the probability of getting at least two right?
Answer by Susan-math(40)   (Show Source): You can put this solution on YOUR website!
This is a binomial distribution with n=4, p=.50 and you want




RELATED QUESTIONS

On a 5 question true or false test what is the probability of getting two right if you... (answered by greenestamps)
A.How many different ways are there to answer a true/false test that has four questions? (answered by stanbon)
a true/false test has 10 questions each of which has 2 possible answers, only one of... (answered by ewatrrr)
If you guess at random on each question of a true-false test with 12 questions, what is... (answered by solver91311)
You are taking a true/false test that has 60 questions If you guess on each question,... (answered by ikleyn)
a test consist of 10 true and false questions. To pass the test a student must answer at... (answered by edjones,ewatrrr)
If you take a mulitple choice test with 25 problems each having four answers options what (answered by checkley77)
Solve. There are 10 true/false questions on a test. You do not know the answer to 4 of... (answered by ewatrrr)
On a true/false exam with 5 questions, if you make only random guesses, find the... (answered by robertb)