Advertisements
Advertisements
प्रश्न
Two dice are rolled, find the probability that the sum is equal to 4
उत्तर
Sample space (S) = {(1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6) (5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)}
n(S) = 36
Let E2 be the event of getting the sum is equal to 4
E2 = {(1, 3) (2, 2) (3, 1)}
n(E2) = 3
p(E2) = `("n"("E"_2))/("n"("S"))`
= `3/36`
= `1/12`
APPEARS IN
संबंधित प्रश्न
Rahim tosses two different coins simultaneously. Find the probability of getting at least one tail.
The probability of getting an even number, when a die is thrown once, is :
(A) `1/2`
(B)`1/3`
(C)`1/6`
(D)`5/6`
All the black face cards are removed from a pack of 52 cards. The remaining cards are well shuffled and then a card is drawn at random. Find the probability of getting king
Two coins are tossed simultaneously. Find the probability of getting exactly one head.
A card is drawn from a well-shuffled pack of 52 cards. Find the probability of getting a red face card.
A lot consists of 144 ballpoint pens of which 20 are defective and others good. Tanvy will buy a pen if it is good, but will not buy it if it is defective. The shopkeeper draws one pen at random and gives it to her. What is the probability that she will buy it,
From 10 identical cards, numbered 1, 2, 3, ……, 10, one card is drawn at random. Find the probability that the number on the card drawn is a multiple of
2
Two dice are thrown at the same time. Find the probability that the sum of the two numbers appearing on the top of the dice is: less than or equal to 12
What is the probability that the spinner will not land on a multiple of 3?
Playing cards now the following cards are added to the above cards:
What is the probability of Suhail winning now? Reshma wins if she picks up a 4. What is the probability of Reshma winning?
[Queen, King and Jack cards are called face cards.]
