2 years ago

The odds against a spinner showing an even number are 3:8. What is the probability of the spinner showing an even number?

1 answer:

6 0

Odds: yes/no
Probability: yes/total

3:8 represents odds of 'not even' which is the same as odds of an odd number being spun.
There are 3 odd numbers and 8 even numbers.
P(even) = 8/11

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