The average income tax refund for the 2009 tax year was $3025 Assume the refund per person follows the normal probability distribution with a standard deviation of $9?8. Complete parts a through d below. a. What is the probability.r that a randomly selected tax return refund will be more than $2000? {Round to four decimal places as needed.) b. What is the probability that a randomly selected tax return refund will be between SWOO and $2000? (Round to four decimal places as needed.) c. What is the probability.r that a randomly selected tax return refund will be between $3200 and $4300? (Round to four decimal places as needed.) d. What refund amount represents the 35'\" percentile of tax returns'F' 55 (Round to the nearest dollar as needed.)