Alma Perez Feb 4, 2021

A box consists cards numbered from 1 to 20 . a card is drawn at random from the box. find the probability that number on the drawn card is: prime number, a number divisible by 3 .

answers: 1

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Answer:

P(E)Prime number= 9/20

and P(E)Its a number divisible by 3=6/20 =3/10

there are 9 prime numbersbetween 1 to 20 and there are 6 numbers which are divisible by between one to twenty

451

Ohrema

Feb 4, 2021

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A box consists cards numbered from 1 to 20 . a card is drawn at random from the box. find the probability that number on the drawn card is: prime number, a number divisible by 3 .​