Apply the fraction rule $\frac{a}{c}+\frac{b}{c}=\frac{a+b}{c}$
$=\frac{10+9+4}{30}$
Add the numbers: $ 10+9+4=23$
$=\frac{23}{30}$
Frequently asked questions (FAQs)
In a binomial distribution, if the probability of success is 0.4 and the number of trials is 10, how likely is it to have exactly 3 successful outcomes?
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