Questions: List the data elements you are provided. How do you use these data elements to determine how to solve the problem?
In an attempt to improve quality many manufacturers are developing partnerships with their suppliers. A local fast-food burger outfit has partnered with its supplier of potatoes. The burger outfit buys potatoes in bags that weigh 20 lb. It wished to set up the null and alternative hypothesis to test if the bags do weigh on the average 20 lb. What would the set up be for the two hypothesis?
Solution. Denote the weight of potatoes by X, then X is a random variable. Suppose that X follows the normal distribution, say X~N(a,b^2) where a is the mean of X and b is the standard deviation of ...
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