Bottles filled by a certain machine are supposed to contain 12 oz of liquid. In fact the fill volume is random with mean 12.01 oz and standard deviation 0.35 oz. Required:
a. What is the probability that the mean volume of a random sample of 144 bottles is less than 12 oz?
b. If the population mean fill volume is increased to 12.03 oz what is the probability that the mean volume of a sample of size 144 will be less than 120z?

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Joanie watched 1 out of three of a movie in the morning

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost