Advertisements
Advertisements
प्रश्न
A coin is tossed once. Find the probability of getting a tail.
उत्तर
Sample space = {H, T}
n(s) = 2
A = Event of getting a tail = {T}
n(A) = 1
Therefore, the probability of getting a tail = `(n(A))/(n(s)) = 1/2`
APPEARS IN
संबंधित प्रश्न
If A and B are two complementary events then what is the relation between P(A) and P(B)?
In a T.T. match between Geeta and Ritu, the probability of the winning of Ritu is 0.73. Find the probability of:
- winning of Geeta.
- not winning of Ritu.
Which of the following cannot be the probability of an event?
- `3/5`
- 2.7
- 43%
- – 0.6
- – 3.2
- 0.35
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 and a multiple of 3.
Hundred identical cards are numbered from 1 to 100. The cards are well shuffled and then a card is drawn. Find the probability that the number on the card drawn is between 40 and 60.
If two coins are tossed once, what is the probability of getting both heads or both tails.
A card is drawn from a well-shuffled pack of 52 cards. Find the probability that the card drawn is a spade.
A card is drawn from a pack of 52 cards. Find the probability that the card drawn is an ace.
In a single throw of two dice, find the probability of a number less than 3 on each 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.
