ACT 2019 June(B02) Math Question 6 Explanation - ACT Helper

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2019 June(B02) Math Question 6
Probability
- One Event
Choice H
White : 10

Not-white : 3 red + 5 blue = 8

The probability of randomly selecting 1 button that is NOT white
$= \frac{8}{10 + 8} = \frac{8}{18} = \frac{4}{9}$
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