Each question of a 5-question multiple choice exam has 5 possible answers. Suppose a student picks an answer at random for each question. Find the probability the student selects the correct answer on none of the questions. The probability that none of the questions are answered correctly is (Simplify your answer. Type an integer or a fraction.) H

Each question of a 5-question multiple choice exam has 5 possible answers. Suppose a student picks an answer at random for each question. Find the probability the student selects the correct answer on none of the questions. The probability that none of the questions are answered correctly is (Simplify your answer. Type an integer or a fraction.) H

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

A city council consists of eight Democrats and seven Republicans. If a committee of four people is selected, find the probability of selecting two Democrats and two Republicans. (Type a fraction. Simplify your answer.) G
In a lottery game, a player picks five numbers from 1 to 48. If 4 of the 5 match the winning numbers, then the player wins the second prize.What is the probability of winning the second prize?Write your answer as a simplified fraction
You randomly select a number between 1 and 10 twice. Find the probability of selecting a multiple of 2 first and then selecting a multiple of 3.
You randomly select a card from a 52 card deck. Find the probability of selecting a 3 or 7.
A group of people were asked if statistics teachers know the true meaning of life. 255 responded "yes", and 497 responded "no". Find the probability that if a person is chosen at random, he believes statistics teachers know the true meaning of life. Probability (Please enter a reduced fraction.) %D
A student takes a multiple choice test that has 10 questions. Each question has five choices. The student guesses randomly at each answer. Find the probability that more than four of them fail the test.
At bedtime, you read three books to your kids, Walker, Michael, and Luke. Together, they have 32 books. If you decide to randomly choose three books, what is the probability that the three you choose will consist of each of their favorite books? Assume they have different favorites. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.