Answer Happy

rive 5 The average amount of money spent for lunch per person in the college cafeteria is $7.15 and the standard deviation is $2.04. Suppose that 47 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-N 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 $7.1136 and $7.4224. d. For the group of 47 patrons, find the probability that the average lunch cost is between $7.1136 and $7.4224. e. For part d), is the assumption that the distribution is normal necessary? Yes No