Question

An integer from 1 to 40 is drawn at random.Find the probability of each result.
odd AND multiple of 5 _____
odd OR a multiple of 5______
Please show me the work

Answer 1

1) is it 4/40 =1/10
2) 24/40 = 3/5

Answer 2

how many odd numbers are there? how many multiples of five are there?

1. (# of odd numbers that are multiples of 5)/total amount of numbers
2. (# of odd numbers + # of multiples of 5)/total amount of numbers

Answer 3

Thanks !

Answer 4

but for 2) (no. of odd numbers + no of multiples of 5 - no ofodd multiples of 5)/total no. of numbers

Answer 5

Thanks matricked ! I got it.