Ly A Moving to another question will save this response. > Question 6 8 points Save Answer The township of Middleton sets the speed limit on its roads by conducting a traffic study and determining the speed (to the nearest 5 miles per hour) at which 80% of the drivers travel at or below. A study was done on Brown's Dock Road that indicated drivers' speeds follow a normal distribution with a mean of 36.25 miles per hour and a variance of 6.25. Fill in Multiple Blanks Do calculations in Excel. Do not round intermediate calculations. Round your final answer to the required precision. You can use the "Format Cells..." option in Excel to show the required number of decimal places (Excel will automatically round the number up or down). a. What should the speed limit (to the nearest 5 miles per hour) be? In your answer, show the whole number. Do not show any digits to the right of the decimal point. Apply the appropriate rounding rule if necessary. b. What percent of the drivers travel below the speed limit you indicated in part (a)? In your answer, show one (1) digit to the right of the decimal point, for example, 1.0, 1.2. Apply the appropriate rounding rule if necessary. Do not show the % sign..> A Moving to another question will save this response. > Question 16 4 points Save Answer The monthly earnings of computer programmers are normally distributed with a mean of $4,000. If only 1.7% of programmers have monthly incomes of less than $2,834, what is the standard deviation of the monthly earnings of the computer programmers? Fill in the Blank Do calculations in Excel. Do not round intermediate calculations. Round your final answer to the required precision. You can use the "Format Cells..." option in Excel to show the required number of decimal places (Excel will automatically round the number up or down). In your answer, show the whole number. Do not show any digits to the right of the decimal point. Apply the appropriate rounding rule if necessary. Do not show the $ sign. The standard deviation of the monthly earnings of the computer programmers isQuestion 17 12 points Save Answer Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. Fill in Multiple Blanks Do calculations in Excel. Do not round intermediate calculations. Round your final answer to the required precision. You can use the "Format Cells..." option in Excel to show the required number of decimal places (Excel will automatically round the number up or down) a. What percentage of exams will have scores between 89 and 92? In your answer, show one (1) digit to the right of the decimal point, for example, 1.0, 1.2. Apply the appropriate rounding rule if necessary. Do not show the % sign. b. If the top 2.5% of test scores receive merit awards, what is the lowest score eligible for an award? In your answer, show one (1) digit to the right of the decimal point, for example, 1.0, 1.2. Apply the appropriate rounding rule if necessary. c. If there were 334 exams with scores of at least 89, how many students took the exam? In your answer, show the whole number. Do not show any digits to the right of the decimal point. Apply the appropriate rounding rule if necessary