\frestaurant is deciding which farm to order lettuce from for a seasonal salad on their menu. The average cost for an assortment of 5 heads of lettuce in California is $6.89 with a population standard deviation of $0.15. Assume that lettuce cost in California is normally distributed. A. Explain why the sampling distribution of sample means is approximately normal. B. Compute the mean, \"5 , and standard error, 03,, (rounded to three decimal places), for the sampling distribution of sample means (show the calculation to earn full credit). C. The restaurant found a farm in LA that sells their lettuces for an average cost of $7.25. Is this farms average lettuce cost unusual? Explain why or why not (show the calculation with answer rounded to two decimal places to earn full credit)