Question

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→ In a group of 120 people, 90 have an age of more 30 years, and the others have an age of less than 20 years. If a person is selected at random from this group, what is the probability the person's age is less than 20 ?
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Answer 1

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→ In a group of 120 people, 90 have an age of more 30 years, and the others have an age of less than 20 years. If a person is selected at random from this group, what is the probability the person's age is less than 20 ?

Answer 2

Answer:

Your Answer is here:-

Step-by-step explanation:

simple way 120 people = total ; 90 people =average 30 years it means 90/120 =3/4 …. others 4/4 -3/4 = 1/4 it means means %25 it means 25/100 = 0.25