Advertisements
Advertisements
प्रश्न
Nine cards (identical in all respects) are numbered 2 to 10. A card is selected from them at random. Find the probability that the card selected will be an even number or a multiple of 3.
उत्तर
There are 9 cards from which one card is drawn.
Total number of elementary events = n(S) = 9
From numbers 2 to 10, there are 7 numbers which are even numbers or a multiple of 3 i.e. 2, 3, 4, 6, 8, 9, 10
Favorable number of events = n(E) = 7
Probability of selecting a card with a number which is an even number or a multiple of 3 = `(n(E))/(n(S)) = 7/9`
APPEARS IN
संबंधित प्रश्न
If the probability of happening of an event A is 0.46. What will be the probability of not happening of the event A?
From 25 identical cards, numbered 1, 2, 3, 4, 5, ......, 24, 25; one card is drawn at random. Find the probability that the number on the card drawn is a multiple of 3 and 5.
A card is drawn from a well-shuffled pack of 52 cards. Find the probability that the card drawn is a face card.
A card is drawn from a well-shuffled pack of 52 cards. Find the probability that the card drawn is 5 of heart or diamond.
A bag contains 16 coloured balls. Six are green, 7 are red and 3 are white. A ball is chosen, without looking into the bag. Find the probability that the ball chosen is not white.
A card is drawn from a pack of 52 cards. Find the probability that the card drawn is a queen or a jack.
In a single throw of two dice, find the probability of an odd number on one dice and a number less than or equal to 4 on the other dice.
A bag contains 3 red balls, 4 blue balls and 1 yellow ball, all the balls being identical in shape and size. If a ball is taken out of the bag without looking into it; find the probability that the ball is yellow.
If P(E) = 0.59; find P(not E).
If the probability of winning a 5 game is 5/11. What is the probability of losing?
