Question

$\huge\boxed{\fcolorbox{red}{pink}{Question}}$
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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❒ Nᴏ Sᴘᴀᴍ!

❒ Dᴏɴᴛ ʀᴇᴘᴏʀᴛ!
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plz iska ans dedo -,-​

Answer 1

♡ Ji Namaste,

☆ Apka Answer:

=》Number of people whose age is less than 20 is given by

=》120 - 90 = 30

=》Probability P that a person selected at random from the group is less than 20 is gieven by

=》30 / 120 = 0.25

☺ Тнαηκ γου Ji☺

Answer 2

$Answer$

Total number of people= 120

number of people above the age of 30 = 90

Number of remaining people = 120 - 90

therefore, the probability of getting a person below 20 years

$= \frac{30}{120}$

$= \frac{1}{4}$

hope it helps you ;)