Assignment - Ch. 7: Central Limit Theorem (Sums) Progress Sa Score: 0/5 0/6 answered . Question 5 The average amount of money that people spend at Don Mcalds fast food place is $7.5700 with a standard deviation of $1.5500. 10 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 ~ N( c. What is the distribution of a? _x - Nd d. What is the probability that one randomly selected customer will spend more than $7.6547? e. For the 10 customers, find the probability that their average spent is more than $7.6547. f. Find the probability that the randomly selected 10 customers will spend less than $76.5470. g. For part e) and f), is the assumption of normal necessary? @ No Yes h. The owner of Don Mcalds gives a coupon for a free sundae to the 5% of all groups of 10 people who spend the most money. At least how much must a group of 10 spend in total to get the free sundae? $