Tomorrow, Sharon is going to sit for her mathematics test. The test paper consists 10 multiple choice questions with four possible answers A, B, C, and D for each question. Due to lack of practice, she is going to try her luck by guessing the correct answer for each question. Sharon needs to pass the test by getting at least five answers that are correct, but she is expecting correctly guessed five answers to pass the exam. a. Determine whether the possible answers A, B, C, and D are equally likely. b. Determine the total number of equally likely outcomes for all the questions. c. Define the event of interest for Sharon. d. Determine the number of outcomes with the event of interest for Sharon. e. Compute the classical probability using Equation 1.

Tomorrow, Sharon is going to sit for her mathematics test. The test paper consists 10 multiple choice questions with four possible answers A, B, C, and D for each question. Due to lack of practice, she is going to try her luck by guessing the correct answer for each question. Sharon needs to pass the test by getting at least five answers that are correct, but she is expecting correctly guessed five answers to pass the exam. a. Determine whether the possible answers A, B, C, and D are equally likely. b. Determine the total number of equally likely outcomes for all the questions. c. Define the event of interest for Sharon. d. Determine the number of outcomes with the event of interest for Sharon. e. Compute the classical probability using Equation 1.

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...

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