Question

Q.20 If a dice is thrown for 50 times, then the frequency of outcomes 1, 2, 3, 4,
5, 6 are noted as given in the following data
Outcome
1
2
3
4
5
6

Frequency
10 15
5
5
7
Then find the probability of occurrence of a prime number in the given
data.
(5 x 3 = 15 marks)
8​

Answer 1

Given  :  a dice is thrown for 50 times,  

To Find :  probability of occurrence of a prime number in the given  data.

Solution:

Outcome     Frequency

1                   10      

2                  15      

3                  5      

4                  5    

5                  7  

6                 8  

Total Out comes = 50

Prime number  2 , 3 , 5

15 + 5 + 7  = 27

probability of occurrence of a prime number = 27/50

= 0.54

probability of occurrence of a prime number =  0.54

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