Probability Worksheet for Class 9
Class 9 Probability students should refer to the following printable worksheet in Pdf in standard 9. This test paper with questions and answers for Grade 9 Probability will be very useful for exams and help you to score good marks
Class 9 Probability Worksheet Pdf
CBSE Class 9 Mathematics Worksheet - Probability (1)
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1. Three coins are tossed once, find the probability of getting at least one head (7/8)
2. Three coins are tossed simultaneously 200 times with the following frequencies of different
Outcomes:
Out comes
3 Heads
2 Heads
1 Head
No head
Frequency
23
72
77
28
Find the probability of getting: a) 2 Heads (9/25)
b) at least 2 Heads (19/40)
3. A dice is thrown once, find the probability of getting a prime number (1/2)
4. A dice is thrown once. Find the probability of getting:
a) An even number (1/2)
b) A prime number (1/2)
c) A number greater than 4 (1/3)
5. A fair die is tossed once. Find the probability of getting:
a) a number more than or equal to 3 ( 2/3)
b) a multiple of 3 (1/3)
6. A letter of English alphabet is choosen at random. Calculate the probability that the letter
choosen is a vowel ( 5/26)
7. A bag contains 15 balls numbered 1 to 15. Find the probability of drawing a prime number,
When one ball is drawn from the bag at random (2/5)
8. Marks obtained by 50 students in a class test of 100 marks are given below :
Marks
0 - 25
25 - 50
50 – 75
75 - 100
No of students
4
12
18
16
Find the probability that a student obtained less than 50% marks ( 8/25 )
9.In a one day international cricket match , a batsman played 40 balls. The runs scored as
Follows
Runs scored
0
1
2
3
4
6
No of balls
13
15
5
1
4
2
Find the probability that the batsmen will score :
a) 6 runs ( 1/20)
b) A four or a six run (3/20)
10. One number is choosen at random from numbers 1 to 100. Find the probability that it is
divisible by 4 or 6 (33/100)
11. In a survey of 80 people, 60 people like apple juice and remaining dislike it . Find the
Probability that people dislike apple juice (1/4)
12. 250 families with 2 children are selected randomly and following data were obtained:
Number of sons in family
2
1
0
Number of families
75
125
50
Find the probability of families having:
a) 2 sons (3/10)
b) 1 son (1/2)
c) no son (1/5)
Please click the below link to access CBSE Class 9 Mathematics Worksheet - Probability (1)