A bag contains 6 black and 8 white balls. One ball is drawn at random. What is t
Practice Probability – A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
Probability
From well shuffled standard pack of 52 playing cards,one card is drawn. What is
Practice Probability – From well shuffled standard pack of 52 playing cards,one card is drawn. What is the probability that it is either a red card or black card?
If P(A)=4/9;then the odd against the event A is:
Practice Probability – If P(A)=4/9;then the odd against the event A is:
Find the probability that one ball is white when two balls are drawn at random f
Practice Probability – Find the probability that one ball is white when two balls are drawn at random from a basket that contains 9 red, 7 white and 4 black balls.
In a class, there are 15 boys and 10 girls. Three students are selected at rando
Practice Probability – In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:
Two dice are thrown together .What is the probability that the sum of the number
Practice Probability – Two dice are thrown together .What is the probability that the sum of the number on the two faces is divided by 4 or 6.
A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random
Practice Probability – A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is:
A problem is given to three students whose chances of solving it are 1/2, 1/3 an
Practice Probability – A problem is given to three students whose chances of solving it are 1/2, 1/3 and 1/4 respectively. What is the probability that the problem will be solved?
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What
Practice Probability – Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
The probability that a card drawn at random from the pack of playing cards may b
Practice Probability – The probability that a card drawn at random from the pack of playing cards may be either a queen or an ace is:
Find the probability of selecting 2 woman when four persons are choosen at rando
Practice Probability – Find the probability of selecting 2 woman when four persons are choosen at random from a group of 3 men, 2 woman and 4 children.
A number is selected from the numbers 1,2,3,4…….25.The probability for it to
Practice Probability – A number is selected from the numbers 1,2,3,4…….25.The probability for it to be divisible by 4 or 7 is:
Four persons are to be choosen from a group of 3 men, 2 women and 4 children. Fi
Practice Probability – Four persons are to be choosen from a group of 3 men, 2 women and 4 children. Find the probability of selecting 1 man,1 woman and 2 children.
The probabiltiy that throw of two dice yields a total of 5 or 6 is:
Practice Probability – The probabiltiy that throw of two dice yields a total of 5 or 6 is:
A basket contains 10 apples and 20 oranges out of which 3 apples and 5 oranges a
Practice Probability – A basket contains 10 apples and 20 oranges out of which 3 apples and 5 oranges are defective. If we choose two fruits at random, what is the probability that either both are oranges or both are non defective?