A gumball machine contains 150 gumballs. If the probability of getting a yellow gumball is 1/7, what is the probability of not getting a yellow gumball?
To find the probability of not getting a yellow gumball, we can subtract the probability of getting a yellow gumball from 1.
The probability of not getting a yellow gumball can be calculated as:
1 - (probability of getting a yellow gumball)
Given that the probability of getting a yellow gumball is 1/7, we can substitute it into the formula:
1 - (1/7) = 6/7
Therefore, the probability of not getting a yellow gumball is 6/7.
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