The average annual cost of tuition for all 49 public 2 year colleges (Alaska did not submit data) for the academic year 2020-2021 is $4,571 according to the "Trends in College Pricing 20201" report of...

Please round it to 4 decimal places and add the excel formulas as well.

Extracted text: The average annual cost of tuition for all 49 public 2 year colleges (Alaska did not submit data) for the academic year 2020-2021 is $4,571 according to the "Trends in College Pricing 20201" report of the College Board. The College Board conducted the study using all available statewide data and showed a standard deviation from all 49 states of $1,740. Assume the data is normally distributed. a) In what range (lower end and upper end) would 90% of all this data falI? b) In what range (lower end and upper end) would 98% of all this data fallI? c) How much would tuition need to be for the 90th percentile? d) How much would tuition be to be in the lowest 10%?