The average amount of money that people spend at Don Mcalds fast food place is $7.4100 with a standard deviation of $1.7700. 8 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? X - N( b. What is the distribution of a? x - N( c. What is the distribution of ac? a - NO d. What the probability that one randomly selected customer will spend more than $7.9313? e. For the 8 customers, find the probability that their average spent is less than $7.9313. f. Find the probability that the randomly selected 8 customers will spend more than $63.4504. g. For part e) and f), is the assumption of normal necessary? O No Yes h. The owner of Don Mcalds gives a coupon for a free sundae to the 5% of all groups of 8 people who spend the most money. At least how much must a group of 8 spend in total to get the free sundae? $