The average amount of money that people spend at Don Mcalds fast food place is $7.9000 with a standard deviation of $1.9900. 12 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? XN 7.9000 1.9900 08 b. What is the distribution of ? N( OF c. What is the distribution of Στ? Στ~ N d. What is the probability that one randomly selected customer will spend more than $8.4183?

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