The average amount of money spent for lunch per person in the college cafeteria is $6.89 and the standard deviation is $
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The average amount of money spent for lunch per person in the college cafeteria is $6.89 and the standard deviation is $
The average amount of money spent for lunch per person in the college cafeteria is $6.89 and the standard deviation is $2.6. Suppose that 12 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible. a. What is the distribution of X? X-NO b. What is the distribution of ? - N c. For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $6.3641 and $7.4494. d. For the group of 12 patrons, find the probability that the average lunch cost is between $6.3641 and $7.4494. e. For part d), is the assumption that the distribution is normal necessary? No Yes
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