EASY
9th CBSE
IMPORTANT
Earn 100

Find the probability of the sum 8 throwing with two dice.

Important Questions on Probability

EASY
9th CBSE
IMPORTANT
The record of a weather station shows that out of the past 300 days, its weather forecast were correct 250 times.What is the probability that on a given day it was correct?
EASY
9th CBSE
IMPORTANT
The record of a weather station shows that out of the past 300 days, its weather forecast was correct 250 times.What is the probability that it was not correct on a given day?
EASY
9th CBSE
IMPORTANT
The distance (in km) of 30 workers from their residence to their place of work found as follows:
5 3 11 14 20 25 13 32 6 12
18 10 10 12 17 18 13 13 15 2
6 9 8 3 8 6 15 12 17 19

What is the empirical probability that an worker lives less than 8 km from his place of work?
EASY
9th CBSE
IMPORTANT
The distance (in km) of 30 workers from their residence to their place of work found as follows:
5 3 11 14 20 25 13 32 6 12
18 10 10 12 17 18 13 13 15 2
6 9 8 3 8 6 15 12 17 19

What is the empirical probability that an worker lives: more than or equal to 8 km from his place of work?
EASY
9th CBSE
IMPORTANT
The distance (in km) of 30 workers from their residence to their place of work found as follows:
5 3 11 14 20 25 13 32 6 12
18 10 10 12 17 18 13 13 15 2
6 9 8 3 8 6 15 12 17 19

What is the empirical probability that an worker lives within 1km from his place of work?
EASY
9th CBSE
IMPORTANT
To know the opinion of the students about the subject mathematics, a survey of 250 students was conducted.The data is recorded in the following table.
Opinion Number of student
Like 180
Dislike 70

Find the probability that a student chosen at random like Mathematics
EASY
9th CBSE
IMPORTANT
To know the opinion of the students about the subject mathematics, a survey of 250 students was conducted. The data is recorded in the following table.
Opinion Number of student
Like 180
Dislike 70

Find the probability that a student chosen at random
Dislike Mathematics
EASY
9th CBSE
IMPORTANT
A coin is tossed two times, what is the probability of getting head at least once?