Question

there are 15 tickets brings the numbers 1 to 15 in the bag .one ticket is drawn at random from the bag .to find the probability of event A,that the ticket drawn bears a number multiple of 5,fill in the boxes.

Answer 1

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Given
Tickets are Numbered from 1-15

One ticket is drawn at random

Total No. of Outcomes = 15

Event E is that the drawn card is multiple of 5

E = {5, 10, 15}
No. of Favourable Outcomes n(E) = 3

Probability = No. of Favourable Outcomes ÷ Total No. of Outcomes

Required Probability= $\frac{3}{15}= \frac{1}{5}$

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