Advertisements
Advertisements
Question
Five cards, the ten, jack, queen, king and ace of diamonds, are well-shuffled with their face downwards. One card is then picked up at random. What is the probability that the card is the queen?
Solution
Total number of cards = 5
total number of possibilities outcome = 5
Total number of queens = 1
`"Number of favourable outcomes"/"Total number of possible outcomes" = 1/5`
P (getting a queen) = `1/5`
APPEARS IN
RELATED QUESTIONS
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?
One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting a queen of black suit
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?
Fill in blank:
Sum of the probabilities of each outcome m an experiment is ..........
Write the probability of a sure event.
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 neither be a Rs 5 coin nor be a Re 1 coin?
Seven cards:- the eight, the nine, the ten, jack, queen, king and ace of diamonds are well shuffled. One card is then picked up at random.
If the king is drawn and put aside, what is the probability that the second card picked up is:
- an ace?
- a king?
Two dice (each bearing numbers 1 to 6) are rolled together. Find the probability that the sum of the numbers on the upper-most faces of two dice is between 5 and 8.
A card is drawn at random from a well-shuffled pack of 52 cards. Find the probability of getting
(i) a red king.
(ii) a queen or a jack.
How many possibilities is the following?
Vanita knows the following sites in Maharashtra. She is planning to visit one of them in her summer vacation.
Ajintha, Mahabaleshwar, Lonar Sarovar, Tadoba wild life sanctuary, Amboli, Raigad, Matheran, Anandavan.
A card is drawn at random from a well-shuffled deck of 52 cards. What is the probability of getting a black king?
If the probability of winning a game is 5/11,what is the probability of losing?
The probability of getting a bad egg in a lot of 400 is 0.035. The number of bad eggs in the lot is ______.
If I toss a coin 3 times and get head each time, should I expect a tail to have a higher chance in the 4th toss? Give reason in support of your answer.
A coin is tossed two times. Find the probability of getting at most one head.
In a game, the entry fee is Rs 5. The game consists of a tossing a coin 3 times. If one or two heads show, Sweta gets her entry fee back. If she throws 3 heads, she receives double the entry fees. Otherwise she will lose. For tossing a coin three times, find the probability that she gets double entry fee.
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. What is the probability of getting a total of 7?
A card is drawn at random from a well shuffled deck of 52 playing cards. The probability of getting a face card is ______.
An unbiased coin is tossed twice. Find the probability of getting at most one head.