menu-iconExamlexExamLexServices

Discover

Ask a Question
  1. All Topics
  2. Topic
    Statistics
  3. Study Set
    Elementary Statistics
  4. Exam
    Exam 4: Discrete Probability Distributions
  5. Question
    If a Student Randomly Guesses at 20 Multiple-Choice Questions, Find
Solved

If a Student Randomly Guesses at 20 Multiple-Choice Questions, Find

Question 32

Question 32

Multiple Choice

If a student randomly guesses at 20 multiple-choice questions, find the probability that the student gets exactly four correct. Each question has four possible choices.


A) 0.19
B) 0.17
C) 0.08
D) 0.23

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q27: In binomial experiments, the outcomes are usually

Q28: A bag contains 25 white marbles

Q29: <span class="ql-formula" data-value="\text { Using the probability

Q30: Using the formula for the multinomial

Q31: If a trial in an experiment has

Q33: The mean, variance, and standard deviation should

Q34: <span class="ql-formula" data-value="\begin{array}{l}\text { What probability value

Q35: What is the standard deviation of the

Q36: The probability of observing 50 heads in

Q37: Which of the following would be

Examlex

ExamLex

About UsContact UsPerks CenterHomeschoolingTest Prep

Work With Us

Campus RepresentativeInfluencers

Links

FaqPricingChrome Extension

Download The App

Get App StoreGet Google Play

Policies

Privacy PolicyTerms of ServiceHonor CodeCommunity Guidelines

Scan To Download

qr-code

Copyright © (2025) ExamLex LLC.

Privacy PolicyTerms Of ServiceHonor CodeCommunity Guidelines