Curioustab

Home » Aptitude » Probability

Two unbiased coin are tossed. What is the probability of getting atmost one head?

1/2
3/2
1/6
3/4

Correct Answer: 3/4

Explanation:

Here, S={HH,HT,TH,TT}
Let E be the event of getting one head
E={TT,HT,TH}
P(E )= n(E)/n(S) =3/4

← Previous Question Next Question→

More Questions from Probability

You toss a coin AND roll a die. What is the probability of getting a tail and a 4 on the die?
In a charity show tickets numbered consecutively from 101 through 350 are placed in a box. What is the probability that a ticket selected at random (blindly) will have a number with a hundredth digit of 2?
Two dice are tossed. The probability that the total score is a prime number is :
What is the probability of getting a sum 9 from two throws of a dice ?
Let K and L be events on the same sample space, with P (K) = 0.8 and P (B) = 0.6. Are these two events are disjoint ?
A fair six-sided die is rolled twice. What is the probability of getting 4 on the first roll and not getting 6 on the second roll ?
An unbiased die is rolled. Find the probability of getting a multiple of 3?
The probabiltiy that throw of two dice yields a total of 5 or 6 is:
The probability that a card drawn at random from the pack of playing cards may be either a queen or an ace is:
What is the probability that a couple with four children have atleast one girl?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion