OpenStudy (anonymous):
PLEASE EXPLAIN!! WILL GIVE MEDALS!! Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, critical value(s), and state the final conclusion that addresses the original claim. A coin mint has a specification that a particular coin has a mean weight of 2.5 g. A sample of 39 coins was collected. Those coins have a mean weight of 2.49604 g and a standard deviation of 0.01898 g. Use a 0.05 significance level to test the claim that this sample is from a population with a mean weight equal to 2.5 g. Do the coins appear to conform to the specifications of the coin mint? The test statistic value is t=__ The p value is p=___ The critical values are = ______
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