X + V X C Assignment - Ch. 7: Central Limit Theorem (Calculations) Progress saved Done Score: 0/100 1/11 answered . Question 9 0/10 pts 0 3 99 The average amount of money that people spend at Don Mcalds fast food place is $7.7800 with a standard deviation of $1.7700. 50 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 _ z? Ex - Nd d. What is the probability that one randomly selected customer will spend more than $7.6846? e. For the 50 customers, find the probability that their average spent is more than $7.6846. f. Find the probability that the randomly selected 50 customers will spend less than $384.2300. g. For part e) and f), is the assumption of normal necessary? O NoO Yes h. The owner of Don Mcalds gives a coupon for a free sundae to the 3% of all groups of 50 people who spend the most money. At least how much must a group of 50 spend in total to get the free sundae? s Hint: Some Helpful Videos: Finding the Compline Distribution Bar.1 Type here to search O 7:21 PM 63.F A 11/2/2021 S