A student takes an exam containing 13 true or false questions. At least 9 correct answers are required to pass. If the student guesses, what is the probability that he will fail? Round your answer to four decimal places.

A student takes an exam containing 13 true or false questions. At least 9 correct answers are required to pass. If the student guesses, what is the probability that he will fail? Round your answer to four decimal places.

Name: A student takes an exam containing 13 true or false questions. At leas
Uploaded: 2024-03-20T07:06:41.000Z
Channel: Bartleby
Description: A student takes an exam containing 13 true or false questions. At least 9 correct answers are required to pass. If the student guesses, what is the probability that he will fail? Round your answer to four decimal places.

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

Richard has been given a 6-question multiple-choice quiz in his history class. Each question has three answers, of which only one is correct. Since Richard has not attended the class recently, he doesn't know any of the answers. Assuming that Richard guesses on all 6 questions, find the probability that he will answer all questions incorrectly. Round your answer to the nearest thousandth.
A group of people were asked if they had run a red light in the last year. 273 responded "yes", and 289 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year. Give your answer as a fraction or decimal to 4 decimal places Question Help: DVideo D Post to forum
find the probability of guessing at least 9 out of 14 correctly. Round inetermediate calculations and final answers to three decimal places
A jar contains 17 red marbles and 20 blue marbles. You reach in and pick 5 marbles at random (without replacement). What are the chances they are all blue? Write your answer as a decimal rounded to 3 decimal places.
You have two dice, each numbered from 1 to 6. The probability of rolling a total of 6 is what? Express your answer as a fraction
You roll two dice and record the numbers facing up. What is the probability of rolling doubles or a sum of 8? Your answer should be a decimal (not a percent) correct to three decimal places.
The probability of winning the "grand prize" at a fortune spinning wheel is p=0.2. If you spin the wheel 100 times how many grand prizes can you expect to win
You purchase boxes of cereal until you obtain one with the collector's toy you want. If, on average, you get the toy you want in every 23rd cereal box, what is the probability of getting the toy you want in any given cereal box? Round the final answer to three decimal places.
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.
Approximately 2 percent of Americans ages 50-60 have lung cancer. A patient with lung cancer has a 91 percent chance of a positive test. A patient without lung cancer has a 8 percent chance of a positive test (a false positive result). Complete the table below, then answer the questions below the table. Give all answers as decimals to 4 decimal places. Positive test result Negative test result Total Has lung cancer Does not have lung cancer Total What is the probability a patient has lung cancer given that she just had a positive test? Give answer as decimals to 4 decimal places.