Computer Science, asked by Vaibhavi001, 2 months ago

Quéstion ⤵️
⇒ In a group of 120 people 90 have an age of more 30yrs and the other have age of less then 20 yr.if a person is selected at random from htis group .what is the probability the person's age is less than 20.



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Answers

Answered by XxVaibhuxX
6

Answer:

Total no. of people = 120

No. of people having age more than 30 = 90

Probability(people having age more than 30) = 90/120 = 3/4

Remaining no. of people = 120-90 = 30

Probability(people having age less than 20) = 30/120 = 1/4 = 0.25

Ans : 0.25

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