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PLEASE PROVIDE EXCEL FORMULA for A-D. I have the answer, I need the formula set up!!!!...

PLEASE PROVIDE EXCEL FORMULA for A-D. I have the answer, I need the formula set up!!!! I will thumbs up!!

According to the Mortgage Bankers​ Association, 11% of U.S. mortgages were delinquent in Texas in the second quarter of last year. A delinquent mortgage is one that has missed at least one payment but has not yet gone to foreclosure. A random sample of six mortgages in Texas was selected.

A) What is the probability that exactly one of these mortgages is​ delinquent? Round to four decimal places as needed.

B) What is the probability that less than three of these mortgages are​ delinquent? Round to four decimal places as needed.

C)What is the mean of this​ distribution? Round to two decimal places as needed.

D) What is the standard deviation of this​ distribution? Round to three decimal places as needed.

PLEASE PROVIDE EXCEL FORMULA for A-D. I have the answers, I need the formula set up!!!! I will thumbs up!!

Math   Statistics-And-Probability   
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Answer #1

Solution:

Let x be the number of delinquent mortgages, therefore, the random variable x follows the binomial distribution with n = 6 and p = 0.11

A) The excel formula to find the probability that exactly one of these mortgages is delinquent is:

B) The excel formula to find the probability that less than three of these mortgages are delinquent is:

C) The excel formula to find the mean of this distribution is:

D) The excel formula to find the standard deviation of this distribution is:

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