Question

Plss it's urgent


The integers from 1 to 30 inclusive are written on cards ( one number on one
card). These card one put in a box and well mixed. Joseph picked up one card.
What is the probability that his card has
(i) number 7
(i) an even number
(i) a prime number
​

Answer 1

1. the probability of getting 7 from the pack is ...1/30
2. the probability of getting even number is..15/30=1/2
3. the probability of getting a prime number is 10/30=1/3

• {2,3,5,7,11,13,17,19,23,29} ARE POSSIBLE EVENTS TO GET A PRIME