- A Fast Food Restaurant Cashier Claimed That The Average Amount Spent By The Customers For Dinner Is 125 00 Over A Mo 1 (51.06 KiB) Viewed 31 times
. A fast-food restaurant cashier claimed that the average amount spent by the customers for dinner is $125.00. Over a month period, a sample of 50 customers was selected and it was found that the average amount spent for dinner was P130.00. Using a 0.05 level of significance, can it be concluded that the average amount spent by customers is more than $125.00? Assume that the population standard deviation is $7.00. 5. According to the radio announcer, the average price of a kilogram of pork liempo is more than #210.00. However, a sample of 15 prices randomly collected from different markets showed an average of $215.00 and a standard deviation of P9.00. Using a 0.05 level of significance, is there sufficient evidence to conclude that the average price of pork liempo is more than P210.00?