1) A factory's soft drink machine is set to put 335 ml of soda, on avaerage, in each can with a standard deviation of 26 ml.
a) What is the probability the mean amount in one can is less than 340 ml ?
b) what is the probability the mean amount per can in a 12-pack is less than 34o ml ?
c) how many observations must be in the sample for Y (bar) to be within 5 ml of mean with probility ( at least) 0.95 ?
2) To estimate an unknown mean , we take a random sample of size 49 , and we calculate Y-bar . What is an approximate 95% bound on epsilon?