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प्रश्न
The probability of an event which is certain to happen is ______.
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उत्तर
The probability of an event which is certain to happen is 1.
Explanation:
In other words, probability of a sure event is 1.
APPEARS IN
संबंधित प्रश्न
List the outcomes you can see in this experiment.
Spinning a wheel
Find the probability of getting an ace from a well shuffled deck of 52 playing cards.
In a simultaneous throw of a pair of dice, find the probability of getting:
a doublet
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
other than an ace
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
the ace of spades
A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is:
red or white
Classify the following statements under appropriate headings.
- Getting the sum of angles of a triangle as 180°.
- India winning a cricket match against Pakistan.
- Sun setting in the evening.
- Getting 7 when a die is thrown.
- Sun rising from the west.
- Winning a racing competition by you.
| Certain to happen | Impossible to happen | May or may not happen |
Rohit collected the data regarding weights of students of his class and prepared the following table:
| Weight (in kg) | 44 – 47 | 48 – 51 | 52 – 55 | 56 – 60 |
| Number of Students | 3 | 5 | 25 | 7 |
A student is to be selected randomly from his class for some competition. The probability of selection of the student is highest whose weight is in the interval ______.
Following cards are put facing down:
| A | E | I | O | U |
What is the chance of drawing out a card marked U?
Classify the following events:
A team winning the match.
