To estimate an unknown mean we take a random sample of

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Reference no: EM13613583

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?

Reference no: EM13613583

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