Question

A no from 1 to 20 are chosen at random -then the probability of choosing a prime no is

Answer 1

Step-by-step explanation:

prime numbers between 1and 20 are 2,3,5,7,11,13,17,19

so probability=8/20=4/10=0.4

Answer 2

Answer:

8/20=0.4

Step-by-step explanation:

probability= no of outcomes/total number of outcomes

there are 8 prime numbers between 1 and 20

and there are 20 outcomes in 1 to 20

so 8/20 =0.4