Question

A die is rolled 250 times and its outcome are recorded as follows: outcome 1,2,3,4,5,6 frequency 40,45,35,38,52,40 find the probability of getting: (1) an even number. (2) a multiple of 3
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Answer 1

Given : A die is rolled 250 times  and its comes

To Find : Probability of getting:

(i) an even number

(ii) a multiple of 3.

​Solution:

Outcomes  Frequency

1                   40

2                   45

3                   35

4                   38

5                   52

6                  40

even number  : 2 ,4  and 6

Frequency = 45 + 38 + 40  = 123

Probability = 123/250   =  0.492

a multiple of 3.

3 and 6

Frequency =  35 + 40 = 75

Probability = 75/250  = 0.3

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