SOLUTION: it is estimated that 10 percent of those taking the quantitative methods portion of the CPA examination fail that section. Sixty students are taking the exam this Saturday. What is
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Question 287675: it is estimated that 10 percent of those taking the quantitative methods portion of the CPA examination fail that section. Sixty students are taking the exam this Saturday. What is the probability that at least 2 students will fail?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
f=.1, p=.9
Expand the binomial (p+f)^60
we only need the 1st two numbers.
p^60+60p^59f1
=.9^60+60*.9^59*.1
=.0138...
1-.0138=.9862 the probability that at least 2 students will fail that section.
.
Ed
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