Question

A number is selected at random from the set Y = {18, 19, 20, … 28, 29}. Find the probability that the number is prime.

Answer 1

Answer:

Step-by-step explanation: prime in Y ={19,23,29}

P(prime number) =3/11

Answer 2

Answer:

no. of prime numbers in set=3

Step-by-step explanation:

$required \: probability = \frac{3}{12} = \frac{1}{4}$