Prabability class IX
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
nitika chawla
Used 28+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary.
1/5
1/6
3/5
4/5
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes.If the three coins are simultaneously tossed again, compute the probability of 2 heads coming up.
9/50
9/25
77/200
95/100
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The blood groups of some students of Class IX were surveyed and recorded as below :
If a student is chosen at random, find the probability that he/she has blood group A or AB.
11/25
38/40
16/25
32/50
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A group of 80 students of Class X are selected and asked for their choice of subject to betaken in Class XI, which is recorded as below :
If a student is chosen at random, find the probability that he/she is a student of either commerce or humanities stream.
12/80
21/80
33/80
18/80
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A dice is rolled number of times and its outcomes are recorded as below:
Find the probability of getting an odd number.
35/250
69/125
103/250
69/250
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Three coins are tossed simultaneously 150 times with the following frequencies of different outcomes :Compute the probability of getting at least 2 tails
32/150
62/150
95/150
25/150
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Three coins are tossed simultaneously 150 times with the following frequencies of different outcomes :Compute the probability of getting Exactly one tail.
1/5
2/5
30/150
1/4
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