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# Can you solve this Statistics question?

The Internal Revenue Service estimates that 8% of all taxpayers filling out long forms make

mistakes. Suppose that a random sample of 10,000 forms is selected. What is the approximate

probability that more than 800 forms have mistakes?

### 1 Answer

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- Math StudentLv 41 decade agoFavorite Answer
this is Binomial Distribution with p=0.08, n=10000

we want to get P(x>=800)

P(x>=800)=sum(i from 800 to 10000) (10000 C i) (0.08)^i (1-0.08)^(10000-i)

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