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Question

7. When processing credit-card applications there is a 20% chance that an application

will have incomplete or insufficient information and require research. You have 12

applications in your to-do pile and would like to leave early today.

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

(b) What is a standard error of distribution of applications required research?

(c) What is the probability of having AT LEAST two applications needing research?

c) What is minimum value of applications that need research could be considered as

an outlier?