Advertisements
Advertisements
प्रश्न
One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that the card is drawn is ’10’ of a black suit.
उत्तर
Event = { '10' of blacksuit}
n(E) = 2
P(E) = ?
P(E) = `"n(E)"/"n(s)" = 2/52 = 1/26`.
APPEARS IN
संबंधित प्रश्न
A box contains 5 red marbles, 8 white marbles and 4 grem marbles. One marble is taken out of the box at randam.
What is the probability that the marble taken out wil be
(ii) white?
A coin is tossed. For this random experiment write the sample space and find n(S).
There are 30 tickets numbered from 1 to 30 in the box and a ticket is drawn at random. If A is the event that the number on the ticket is a perfect square, then write the sample space S, n(S), the event A and n(A).
A student made a cube-shaped die from a card sheet. Instead of writing numbers 1,2,3,4,5,6 on its face, he wrote letters a,b,c,d,e,f one on each face randomly. If he rolls the die twice, find the probability that he gets a vowel on the upper face both times.
One card is randomly drawn from a pack of 52 cards. Find the probability that: the drawn card is an ace.
One card is randomly drawn from a pack of 52 cards. Find the probability that: the drawn card is red and a king.
One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that the card is drawn is An ace.
One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that the card drawn is ‘2’ of spade
Find the probability that leap year selected at random, will contain 53 Sundays.
If a letter is choosen randomly from all the letters of the word 'MAINTAINANCE', what is the probability that the choosen letter is a vowel