Question: P(x)= n C x . p x q n-x When processing credit-card applications there is a 25% chance that an application will have incomplete or

P(x)=_nC_x. p^xq^n-x

When processing credit-card applications there is a 25% chance that an application will have incomplete or insufficient information and require research. You have 8 applications in your

to-do pile and would like to leave early today.

(a)Fill in the values: n = p =q =

(b)What is the probability of exactly three applications needing research?

(c)What is the expected number of applications that will need research?

(d)What is the probability of having AT LEAST the expected number of applications needing research?

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