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# Assume all variables are binomial. (Note: If values are not found in Previous Table . use the binomial formula.) High School Dropouts Approximately $10.3\%$ of American high school students drop out of school before graduation. Choose $10$ students entering high school at random. Find the probability that No more than $2$ drop out

Solution

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To find the probability that no more than $2$ students in a sample of $10$ drop out, add up the probabilities that exactly $0$, $1$, and $2$ drop out.

$P(\text{no more than }2)=P(0)+P(1)+P(2)$

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