Question: The mean soda content at a Pepsi plant should be 20 oz. If the mean is less than 20 the public is getting shortchanged. If the mean is larger than 20, then Pepsi’s overall profit decreases. With this in mind Pepsi wants to test if the mean is anything other than 20 0z. it samples 64 bottles and finds that the sample mean content is 19.8 oz. the population standard deviation is known to be 1 oz.
a) Set up hypotheses
b) Construct test stat
c) Generate p value
d) Based on the pvalue test the above claim with alpha = .10. What is your conclusion?