6.2.11-T HW Score The average income tax refund for the 2009 tax year was $3057. Assume the refund per person follows the normal probability distribution with a standard deviation of $901. Complete parts a through d below. a. What is the probability that a randomly selected tax return refund will be more than $2300? (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. 3 parts Clear All remaining Check Ansu MacBook Air