Advertisements
Advertisements
प्रश्न
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting a spade.
उत्तर
Total number of cards in a well-shuffled deck = 52
Total number of spade cards = 13
P (getting a spade card) =`"Number of favourable outcomes"/"Total number of outcomes"`
= `13/52`
= `1/4`
संबंधित प्रश्न
Gopi buys a fish from a shop for his aquarium. The shopkeeper takes out one fish at random from a tank containing 5 male fish and 8 female fish (see Figure). What is the probability that the fish taken out is a male fish?
A die is numbered in such a way that its faces show the number 1, 2, 2, 3, 3, 6. It is thrown two times and the total score in two throws is noted. Complete the following table which gives a few values of the total score on the two throws:
What is the probability that the total score is
(i) even? (ii) 6? (iii) at least 6?
A card is drawn at random from a pack of 52 cards. Find the probability that card drawn is neither a heart nor a king
In a class, there are 18 girls and 16 boys. The class teacher wants to choose one pupil form class monitor. What she does, she writes the name of each pupil on a card and puts them into a basket and mixes thoroughly. A child is asked to pick one card from the basket. What is the probability that the name written on the card is the name of a girl?
A bag contains 6 red balls and some blue balls. If the probability of drawing a blue ball the bag is twice that of a red ball, find the number of blue balls in the bag.
Fill in blank:
Sum of the probabilities of each outcome m an experiment is ..........
For an event E, write a relation representing the range of values of P(E).
A bag contains twenty Rs 5 coins, fifty Rs 2 coins and thirty Re 1 coins. If it is equally likely that one of the coins will fall down when the bag is turned upside down, what is the probability that the coin will be a Re 1 coin?
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.
In a game of chance, a spinning arrow comes to rest at one of the numbers 1, 2, 3, 4, 5, 6, 7, 8. All these are equally likely outcomes. Find the probability that it will rest at a number greater than 2.
Two coins are tossed once. Find the probability of getting 2 heads.
Two coins are tossed once. Find the probability of getting at least 1 tail.
Two dice are thrown simultaneously. Find the probability of getting: a doublet of even number.
One ticket is drawn at random from a bag containing tickets numbered 1 to 40. The probability that the selected ticket has a number which is a multiple of 5 is ______.
A coin is tossed two times. Find the probability of getting at most one head.
A coin is tossed 3 times. List the possible outcomes. Find the probability of getting at least 2 heads
A die has its six faces marked 0, 1, 1, 1, 6, 6. Two such dice are thrown together and the total score is recorded. How many different scores are possible?
At a fete, cards bearing numbers 1 to 1000, one number on one card, are put in a box. Each player selects one card at random and that card is not replaced. If the selected card has a perfect square greater than 500, the player wins a prize. What is the probability that the first player wins a prize?
A bag contains 5 red balls and n green balls. If the probability of drawing a green ball is three times that of a red ball, then the value of n is ______.
Two dice are tossed simultaneously. The probability of getting odd numbers on both the dice is ______.
