Medical billing errors and fraud are on the rise. According to Medical Billing Advocates of America, 8

Question:

Medical billing errors and fraud are on the rise. According to Medical Billing Advocates of America, 8 out of 10 times, the medical bills that you get are not right. (Data extracted from "Services Diagnose, Treat Medical Billing Errors," USA Today, June 20, 2012.) If a sample of 10 medical bills is selected, what is the probability that
a. 0 medical bills will contain errors?
b. Exactly 5 medical bills will contain errors?
c. More than 5 medical bills will contain errors?
d. What are the mean and standard deviation of the probability distribution?

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