Question

In a village, 135 people out of 350 are illiterate and rest are literate. If one person is selected at random from the vilage, then what is the probabilty that the person is :(1) Literate? (2) An illiterate?

Answer 1

1.literate.....215/350
2.illeterate.....135/350
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Answer 2

let A be the event of getting a literate person

n(A)=215(literate)

P(A)=n(A)/n(S)
where n(S) is the sample space i.e 350

therefore , P(A)=215/350

let B be the event of getting an illiterate person

n(B)=135(literate)

P(B)=n(B)/n(S)
where n(S) is the sample space i.e 350

therefore , P(B)=135/350






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