The probability of getting exactly two heads when two balanced coins are toss once_________________?
Correct answer: A. 1/4
- A. 1/4
- B. 2/4
- C. 3/4
- D. 4/4
Explanation
With two balanced coins, the equally likely outcomes are HH, HT, TH and TT. Exactly two heads occurs only as HH, giving a probability of 1/4.
Last updated
Practise Probability
41 free Probability MCQs from Statistics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Statistics questions like this
Statistics is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
Related questions
5C5 is equal to ________________?
A box containing 12 balls of color 6 red and 6 white. A ball of white selected ball finds the probability of white____________?
A coin is so weighted that P (T) = 2P(H) then P(H) is _______________?
A experiment repeated number of time one by one is called _________________?
A list of sample _________ is called sample space?