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प्रश्न
Probability of an event E + Probability of the event ‘not E’ = _______.
उत्तर
Probability of an event E + Probability of the event ‘not E’ = 1
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संबंधित प्रश्न
Two customers Shyam and Ekta are visiting a particular shop in the same week (Tuesday to Saturday). Each is equally likely to visit the shop on any day as on another day. What is the probability that both will visit the shop on
- the same day?
- consecutive days?
- different days?
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 card drawn is a jack, queen or a king
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting the jack of hearts.
A bag contains 3 red balls, 5 black balls and 4 white balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is Not red
One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting a king of red suit
One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting a queen of black suit
Find the probability that a number selected at random from the numbers 1, 2, 3, ..., 35 is a Multiple of 7
Cards marked with numbers 13, 14, 15, ...., 60 are placed in a box and mixed thoroughly.One card is drawn at random from the box. Find the probability that number on the card drawn is divisible by 5
Examine the following statement and comment:
If a die is thrown once, there are two possible outcomes—an odd number or an
even number. Therefore, the probability of obtaining an odd number is 1 /2 and the
probability of obtaining an even number is 1/2
.
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.
There are six cards in a box, each bearing a number from 0 to 5. Find the probability of the following event, that a card drawn show, a number is greater than 5.
A two digit number is to be formed from the digits 0, 1, 2, 3, 4. Repetition of the digits is allowed. Find the probability that the number so formed is a - multiple of 4.
A card is drawn at random from a well-shuffled deck of 52 cards. What is the probability of getting a black king?
It is known that a bax of 600 electric bulbs contain 12 defective bulbs. One bulb is taken out at random from this box. What is the probability that it is a non-defective bulb?
Two coins are tossed once. Find the probability of getting at least 1 tail.
Two dice are thrown simultaneously. Find the probability of getting: the sum as a prime number
The probability of getting a bad egg in a lot of 400 is 0.035. The number of bad eggs in the lot is ______.
A bag contains 24 balls of which x are red, 2x are white and 3x are blue. A ball is selected at random. What is the probability that it is white?
Complete the following table.
| Sr. No. | Random experiment | Sample space | Number of sample points in S |
| 1. | One coin is tossed. | S = {H, T} | n(S) = `square` |
| 2. | Two coins are tossed. | S = `square` | n(S) = `square` |
| 3. | Three coins are tossed. | S = {`square`, THH, HTT, THT, TTH, TTT} | n (S) = 8 |
| 4. | A die is thrown. | S = `square` | n(S) = `square` |
