Advertisements
Advertisements
प्रश्न
The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain tomorrow?
Advertisements
उत्तर
\[\text{ Let A be the event of raining tomorrow } . \]
\[\text{ The probability that it will rain tomorrow, P\left( A \right), is 0 . 85 } . \]
\[\text{ Since the event of raining tomorrow and not raining tomorrow are complementary to each other, the probability of not raining tomorrow is }: \]
\[P\left( A \right) = 1 - P\left( A \right) = 1 - 0 . 85 = 0 . 15\]
APPEARS IN
संबंधित प्रश्न
There are 6 marbles in a box with numbers from 1 to 6 marked on each of them.
What is the probability of drawing a marble with number 2?
In a simultaneous throw of a pair of dice, find the probability of getting:
a doublet of prime number
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a red card
If you have a spinning wheel with 3-green sectors, 1-blue sector and 1-red sector. What is the probability of getting a green sector? Is it the maximum?
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a red card
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 |
The probability of the spinning arrow stopping in the shaded region (Figure) is `1/2`.
A coin is tossed 15 times and the outcomes are recorded as follows:
H T T H T H H H T T H T H T T. The chance of occurrence of a head is 50 per cent.
Following cards are put facing down:
| A | E | I | O | U |
What is the chance of drawing out A or I?
Classify the following events:
A team winning the match.
