Question

Nine balls, each marked with a number from 1 to 9, are placed in a bag and one ball is taken at random. What is the probability that the number on the ball is multiple of 2?

A.1/9
B.2/9
C.4/9
D.1

Answer 1

Total balls=sample space=9

Multiples of 2

• {2,4,6,8}

Total multiples=4

Probability

• 4/9

Option C

Answer 2

Hello, the answer should be
`(4)/(9)`, C option.

First, let's define the numbers that are a multiple of 2 from the balls we have.

• 2
• 4
• 6
• 8

Then, we will calculate our probability. To do this correctly, we must divide the amount of expected states into the amount of all the states.

Expected numbers: 2-4-6-8

All numbers: 1-2-3-4-5-6-7-8-9

`P=\frac{{2,4,6,8}}{1,2,3,4,5,6,7,8,9} =(4)/(9)`

Good luck! If you have any questions, then feel free to ask in comments!