Question: There is a 1% delinquency rate for consumers with a FICO credit rating scores above 800. What is the smallest sample size so that the

There is a 1% delinquency rate for consumers with a FICO credit rating scores above 800.

  1. What is the smallest sample size so that the sampling distribution of the proportion of consumers will be approximately normal?

Based on this sample size, what are the mean and standard deviation?

What two values capture the middle 90% of all sample proportions?

How many standard deviations are these values from the mean? Use 3 decimal places.

Please process by using R code.

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