Question

Selina is playing a game that uses the spinner below.

A) what are the odds in favour of her spinning a 7?

B) What are the odds in favour of her spinning an even number?

C) What are the odds in favour of her spinning a prime number?

Answer 1

A) 12.5%

B) 50%

C) 50%

Explanation:

For A, 7 is one of the 8 possibilities (1/8). 1/8 of 100 is 12.5, so your chance of spinning a 7 is 12.5%

For B, even numbers are 4/8 or 1/2 of your options. 1/2 of 100 is 50, so your chance of spinning an even number is 50%

For C, there are 4 out of 8 numbers that are prime (2,3,5, & 7).

4/8 or 1/2 of 100 is 50, so your chance of spinning a prime number is 50%

hope this helps