Question

An integer is chosen between 70 and 100, Find the probability that it is

(a) a prime number

(b) divisible by 7​

Answer 1

Step-by-step explanation:

a) 6/30=1/5

b) 5/30= 1/6

Answer 2

Step-by-step explanation:

a)there are 6 prime numbers between 70&100

probability=6/29

b)there are 4 numbers divisible by 7 between 70 and 100

probability=4/29