Question

a number is chosen at random from among the first 30 natural numbers. the probability of the number choose is not a prime number is​

Answer 1

Answer:

2/3

Step-by-step explanation:

the number of prime numbers among the first 30 natural numbers = 10

the number of not prime number = 30 - 10 = 20

the probability of the number choosen is not a prime number

= number of favourable outcomes/total number of outcomes

20/30

=0.66