Question: A student is taking amultiple-choice exam in which each question has five choices. Assuming that she has no knowledge of the correct answers to any

A student is taking amultiple-choice exam in which each question has fivechoices. Assuming that she has no knowledge of the correct answers to any of thequestions, she has decided on a strategy in which she will place fiveballs(A,B,C,D,andE) into a box. She randomly selects one ball for each question and replaces the ball in the box. The marking on the ball will determine her answer to the question. There are fourmultiple-choice questions on the exam.

a. What is the probability that she will get fourquestionscorrect?

b. What is the probability that she will get at least threequestionscorrect?

c. What is the probability that she will get no questionscorrect?

d. What is the probability that she will get no more than two questionscorrect?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

The first 9 months of the year have concluded for Suarez Digital Services. Sid Suarez wants to make the necessary adjustments to his accounts to prepare accurate financial statements for the last 6...

A student is taking amultiple-choice exam in which each question has two choices. Assuming that she has no knowledge of the correct answers to any of thequestions, she has decided on a strategy in...

A student is taking amultiple-choice exam in which each question has four choices. Assuming that she has no knowledge of the correct answers to any of thequestions, she has decided on a strategy in...

, A student is taking a multiple-choice exam in which each question has five choices. Assuming that she has no knowledge of the correct answers to any of the questions, she has decided on a strategy...

12.A student is taking a multiple-choice exam in which each question has five choices. Assuming that she has no knowledge of the correct answers to any of the questions, she has decided on a strategy...

Isstudent is taking a multiple-choice exam in which each question has five choices. Assuming that she has no knowledge of the correct answers to any of the questions, she has decided on a strategy in...

Auventis taking a multiple-choice exam in which each question has five choices. Assuming that she has no knowlodge of the correct answers to any of the questions, she has decided on a question. There...

A student is taking a multiple-choice exam in which each question has four choices. Assuming that she has no knowledge of the correct answers to any of the questions, she has decided on a strategy in...

A gas refrigeration cycle with a pressure ratio of 4 uses helium as the working fluid. The temperature of the helium is 26oC at the compressor inlet and 50oC at the turbine inlet. Assuming isentropic...

What types of activities are involved in the marketing management process?

how can compressors help in the oil production in the shale well

Oust the Turtle Company has the following balances on December 31, 2020: Cash on hand 4,500.00 Cash in bank A 33,000.00 Cash in bank X 50,000.00 Cash in bank C 822,999.72 Cash on hand includes $ 3....