Question

if there are 10 tokens which have a number on them from 1 to 10 what is the probability of getting the number 7 on the token​

Answer 1

10% chance

beacuse there are 10 tokens if we divde the number of tokens with 100% we get 10 % is ur answer  

Answer 2

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Sample space S={ 1,2,3….25}

n(s)=25

Let A be the event of drawing a multiple of 5

A={5,10,15,20,25}

n(A)==5

P(A)=n(A)/n(s)=5/25

Let B be the event of drawing a multiple of 7

B={7,14,21}

n(B)=3

P(B)=n(B)/n(s)=3/25

Since A and B are mutually exclusive events

P(AUB)=P(A)+P?B)

=5/25+3/25=8/25m...

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