The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain tomorrow?
A die thrown. Find the probability of getting:
(i) a prime number
(ii) 2 or 4
(iii)a multiple of 2 or 3
In a simultaneous throw of a pair of dice, find the probability of getting:
(i) 8 as the sum
(ii) a doublet
(iii) a doublet of prime numbers
(iv) a doublet of odd numbers
(v) a sum greater than9
(vi) An even number on first
(vii) an even number on one and a multiple of 3 on the other
(viii) neither 9 nor 11 as the sum of the numbers on the faces
(ix) a sum less than 6
(x) a sum less than 7
(xi) a sum more than 7
(xii) at least once a number other than 5 on any dice.
Three coins are tossed together. Find the probability of getting:
(i) exactly two heads
(ii) at least two heads
(iii) at least one head and one tail
An urn contains 10 red and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white.
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
(i) a black king
(ii) either a black card or a king
(iii) black and a king
(iv) a jack, queen or a king
(v) neither a heart nor a king
(vi) spade or an ace
(vii) neither an ace nor a king
(viii) neither a red card nor a queen
(ix) other than an ace
(x) a ten
(xi) a spade
(xii) a black card
(xiii) the seven of clubs
(xv) the ace of spades
(xvi) a queen
(xvii) a heart
(xviii)a red card
A bag contains 3 red balls, 5 black balls and 4 white balls. A ball is drawnat random from the bag. What is the probability that the ball drawn is :
A bag contains 6 red, 8 black and 4 white balls. A ball is drawn at random.What is the probability that ball drawn is not black?
A bag contains 5 white and 7 red balls. One ball is drawn at random. What is the probability that ball drawn is white?
A bag contains 4 red, 5 black and 6 white balls. One ball is drawn from the bag at random. Find the probability that the ball drawn is:
(iii) not black
(iv)red or white
A bag contains 3 red balls and 5 black balls. A ball is drawn at random fromthe bag. What is the probability that the ball drawn is:
A bag contains 5 red marbles, 8 white marbles, 4 green marbles. What is the probability that if one marble is taken out of the bag at random, it will be
If you put 21 consonants and 5 vowels in a bag. What would carry greater probability? Getting a consonant or a vowel? Find each probability?
If we have 15 boys and 5 girls in a class which carries a higher probability? Getting a copy belonging to a boy or a girl. Can you give it a value?
It you have a collection of 6 pairs of white socks and 3 pairs of black socks. What is the probability that a pair you pick without looking is (i) white? (ii) black?
If you have a spinning wheel with 3-green sectors, 1-blue sector and 1-redsector. What is the probability of getting a green sector? Is it the maximum?
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