Advertisements
Advertisements
प्रश्न
A card is drawn from a pack of well-shuffled 52 playing cards. Find the probability that the card is drawn is a face card.
उत्तर १
There are 52 playing cards in a pack.
Number of face cards = 12
P(drawing a face card) = `"Favourable outcomes"/"Total outcomes"` = `12/52` = `3/13`
उत्तर २
Event = { face cards }
n(E) = 12
P(E) = ?
∴ P(E) = `"n(E)"/"n(S)" = 12/52 = 3/13`.
APPEARS IN
संबंधित प्रश्न
A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is red?
In a simultaneous throw of a pair of dice, find the probability of getting a sum greater than 9
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?
Two dice are thrown simultaneously. What is the probability that 5 wifi come up at both dice?
Offices in Delhi are open for five days in a week (Monday to Friday). Two employees of an office remain absent for one day in the same particular week. Find the probability that they remain absent on different days.
From a pack of 52 playing cards, all cards whose numbers are multiples of 3 are removed. A card is now drawn at random. What is the probability that the card drawn is an even numbered red card?
A box contains 30 tickets, bearing only one number from 1 to 30 on each. If one ticket is drawn at random, find the probability of an event that the ticket drawn bears a complete square number.
Cards, marked with numbers 5 to 50, are placed in a box and mixed thoroughly. A card is drawn from the box at random. Find the probability that the number on the card is (i) a prime number less than 10 (ii) a perfect square.
The chance of throwing 5 with an ordinary die is ____________.
If P(A) denotes the probability of an event A, then ______.