Advertisements
Advertisements
Question
A dice is thrown once. Find the probability of getting a number less than 3.
Solution
In throwing a dice, total possible outcomes = {1, 2, 3, 4, 5, 6}
n(S) = 6
On a dice, number less than 3 = {1, 2}
n(E) = 2
Probability of getting a number less than 3
= `(n(E))/(n(S))`
= `2/6`
= `1/3`
APPEARS IN
RELATED QUESTIONS
Two different dice are thrown together. Find the probability that the numbers obtained have a product less than 16
A bag contains 10 red balls, 16 white balls and 8 green balls. A ball is drawn out of the bag at random. What is the probability that the ball drawn will be not red?
A bag contains 10 red balls, 16 white balls and 8 green balls. A ball is drawn out of the bag at random. What is the probability that the ball drawn will be neither red nor green?
Two different dice are thrown together. Find the probability that the product of the numbers appeared is less than 18 ?
The percentage of marks obtained by a student in monthly unit tests are given below :
| Unit Test | l | ll | lll | lV | V | Vl |
| Percentage of marks obtained | 72 | 67 | 69 | 74 | 71 | 76 |
Based on this data find the probability that the student gets
(ii) less than 72% marks in a unit test.
An unbiased cubic die is thrown .Find the probability of getting
(ii) a number greater than 2
A coin is tossed twice . what is the probability of getting
(ii) atmost 1 tail
Two different coins are tossed simultaneously .Find the probability of getting :
(ii)no tail
Which of the following can be the probability of an event?
The probability of an event of a trial ____________.
