Advertisements
Advertisements
प्रश्न
A bag contains a red ball , a blue ball and a yellow ball , all the balls being of the same size . Anjali takes out a ball from the bag without looking into it . what is the probability that she takes out .
(iii) blue ball?
उत्तर
Total Number of outcomes = 3
P(Blue ball) = `"Number of favourable outcomes"/"Total number of outcomes"` = `1/3`
APPEARS IN
संबंधित प्रश्न
Two different dice are thrown together. Find the probability that the numbers obtained have a product less than 16
Which of the following cannot be the probability of an event?
–3.2
A and B are friends. Ignoring the leap year, find the probability that both friends will have different birthdays?
A man tosses two different coins (one of Rs 2 and another of Rs 5) simultaneously. What is the probability that he gets at least one head?
In a musical chairs game, a person has been advised to stop playing the music at any time within 40 seconds after its start. What is the probability that the music will stop within the first 15 seconds?
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?
Two dice, one white and one red are rolled together .Find the probability of getting
(i) a sum of 6
A coin is tossed twice . what is the probability of getting
(i) no head
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.
Two dice, one white and one red are rolled together .Find the probability of getting
(ii) two different digits
