CA Foundation Exam  >  CA Foundation Questions  >  What is the probability of making 3 correct g... Start Learning for Free
 What is the probability of making 3 correct guesses in 5 True-False answer type question?
  • a)
    0.3125
  • b)
    0.5676
  • c)
    0.6875
  • d)
    0.4325
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
What is the probability of making 3 correct guesses in 5 True-False an...
Probability of Making 3 Correct Guesses in 5 True-False Questions

Solution:

We can solve this problem using the binomial probability formula:

P(X=k) = (n choose k) * p^k * (1-p)^(n-k)

where:

P(X=k) = probability of getting k correct guesses
n = total number of questions = 5
k = number of correct guesses = 3
p = probability of getting a correct guess = 0.5 (since there are only two options: true or false)

Using the formula, we can substitute the values and get:

P(X=3) = (5 choose 3) * 0.5^3 * (1-0.5)^(5-3)
= (10) * 0.125 * 0.25
= 0.3125

Therefore, the probability of making 3 correct guesses in 5 True-False answer type question is 0.3125.

Answer: Option A (0.3125)
Explore Courses for CA Foundation exam
What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer?
Question Description
What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer?.
Solutions for What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for CA Foundation. Download more important topics, notes, lectures and mock test series for CA Foundation Exam by signing up for free.
Here you can find the meaning of What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer?, a detailed solution for What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice What is the probability of making 3 correct guesses in 5 True-False answer type question?a)0.3125b)0.5676c)0.6875d)0.4325Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice CA Foundation tests.
Explore Courses for CA Foundation exam

Top Courses for CA Foundation

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev