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# In a Lottery of 50 Tickets Numbered 1 to 50, One Ticket is Drawn. Find the Probability that the Drawn Ticket Bears a Prime Number. - CBSE Class 10 - Mathematics

ConceptProbability - A Theoretical Approach

#### Question

In a lottery of 50 tickets numbered 1 to 50, one ticket is drawn. Find the probability that the
drawn ticket bears a prime number.

#### Solution

Total no. of possible outcomes = 50 {1, 2, 3, …. , 50}

E⟶ event of getting a prime no.

No. of favourable outcomes = 15

{2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47}

Probability, P(E) ="o.of favorable outcomes"/"Total no.of possible outcomes"

i.e. P(E) =15/50 =3/10

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Solution In a Lottery of 50 Tickets Numbered 1 to 50, One Ticket is Drawn. Find the Probability that the Drawn Ticket Bears a Prime Number. Concept: Probability - A Theoretical Approach.
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