Question

5.15: Medical billing errors and fraud are on the rise. According to one study, 4 out of 5 times, the medical bills received by patients are not right. Using binomial distribution, answer the following scenarios and show your work. Round to the fourth decimal. 1.) If a sample of 11 medical bills is selected, what is the probability that exactly 0 bills will contain errors? 2.) If a sample of 11 medical bills is selected, what is the probability that exactly 6 bills will contain errors? 3.) If a sample of 11 medical bills is selected, what is the probability that MORE than 4 bills contain errors? 4.) What are the mean and standard deviation of the probability distribution?

          5.15: Medical billing errors and fraud are on the rise.
According to one study, 4 out of 5 times, the medical bills
received by patients are not right. Using binomial distribution,
answer the following scenarios and show your work. Round to the
fourth decimal.
1.) If a sample of 11 medical bills is selected, what is
the probability that exactly 0 bills will contain errors?
2.) If a sample of 11 medical bills is selected, what is the
probability that exactly 6 bills will contain errors?
3.) If a sample of 11 medical bills is selected, what is
the probability that MORE than 4 bills contain errors?
4.) What are the mean and standard deviation of the probability
distribution?

Added by Amparo R.

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