Advertisements
Advertisements
प्रश्न
An event is very unlikely to happen. Its probability is closest to ______.
पर्याय
0.0001
0.001
0.01
0.1
उत्तर
An event is very unlikely to happen. Its probability is closest to 0.0001.
Explanation:
The probability of an event which is very unlikely to happen is closest to zero and from the given options 0.0001 is closest to zero.
APPEARS IN
संबंधित प्रश्न
Two different dice are tossed together. Find the probability
(i) that the number on each die is even.
(ii) that the sum of numbers appearing on the two dice is 5.
Two coins are tossed simultaneously. Write the sample space (S), n(S), the following event A
using set notation and n(A), where ‘A is the event of getting at least one head.’
Three different coins are tossed together. Find the probability of getting at least two heads.
A game consist of tossing a one-rupee coin 3 times and noting the outcome each time. Ramesh will win the game if all the tosses show the same result, (i.e. either all thee heads or all three tails) and loses the game otherwise. Find the probability that Ramesh will lose the game.
A card is drawn from a well-shuffled deck of 52 playing cards. The probability that the card will not be an ace is
In a class of 42 students in Model High School, 3 students use spectacles.
Fill in the following boxes to find the probability of a students selected
at random is wearing sepctacles.
The total number of students in the class is 42.
∴n(S) = ...... ,
Let the event, a student uses spectacles, be A.
∴ n(A) = ...........
∴ P(A) = ............ ∴ P(A) = ............
The following table shows the blood-groups of employees in a bank.
Event C is : ‘the blood-group of an employee is AB.’
Blood - group | A | B | AB | 0 |
No. of employees | 20 | 40 | 15 | 25 |
If an employee is chosen at random, what is the probability that his blood-group is AB ?
Fill in the following boxes and find the answer
n(S)= ______
n(C)= ______
p(C)=________=_________
A dice is rolled twice. Find the probability that 5 will come up exactly one time
A bag contains 5 red, 8 green and 7 white balls, One ball is drawn at random from the bag. What is the probability of getting a white ball or a green ball?
If \[\bar{E}\] denote the complement or negation of an even E, what is the value of P(E) + P(\[\bar{E}\]) ?
What is the probability that a number selected at random from the numbers 3, 4, 5, ....9 is a multiple of 4?
If a digit is chosen at random from the digit 1, 2, 3, 4, 5, 6, 7, 8, 9, then the probability that it is odd, is
17 cards numbered 1, 2, 3, 4, .... ,17 are put in a box and mixed thoroughly. A card is drawn at random from the box. Find the probability that the card drawn bears an odd number.
By using two variables, write the following statement in mathematical form:
The cost of two tables and five chairs is 2,200.
A die is thrown once. Find the probability of getting a composite number
A bag contains 3 white, 5 black and 2 red balls, all of the same shape and size. A ball is drawn from the bag without looking into it, find the probability that the ball drawn is a black ball.
Three identical coins are tossed together. What is the probability of obtaining:
exactly one head?
There are 1000 sealed envelopes in a box, 10 of them contain a cash prize of Rs 100 each, 100 of them contain a cash prize of Rs 50 each and 200 of them contain a cash prize of Rs 10 each and rest do not contain any cash prize. If they are well shuffled and an envelope is picked up out, what is the probability that it contains no cash prize?
A bag contains 25 cards, numbered through 1 to 25. A card is drawn at random. What is the probability that the number on the card drawn is multiple of 5?
A bag contains 25 cards, numbered through 1 to 25. A card is drawn at random. What is the probability that the number on the card drawn is a prime number?