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In addtion to the questions, make sure to display the regions under the normal distribution curve. The...

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Statistics

In addtion to the questions, make sure to display the regionsunder the normal distribution curve.

The monthly income of residents of Big City is normallydistributed with a mean of $3000 and a standard deviation of$500.

a. The mayor of Big City makes $2,250 a month. What percentageof Big City's residents has incomes that are more than themayor's?

b. Individuals with incomes of less than $1,985 per month areexempt from city taxes. What percentage of residents is exempt fromcity taxes?

c. What are the minimum and the maximum incomes of the middle95% of the residents?

d. Two hundred residents have incomes of at least $4,440 permonth. What is the population of Big City?

Answer & Explanation Solved by verified expert
3.9 Ratings (439 Votes)
SolutionGiven thatmean 3000standard deviation 500A p x 2250 1 p x 2250 1 p x 2250 3000 500 1 p z 750 500 1 p z    See Answer
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