Assume that a simple random sample has been selected from a normally distributed population. We want to test the claim that for the population of female college students at a particular university, the mean weight is given by μ=155lb. The sample data are summarized as follow: n=20, x=160lb, and s=18.5 lb. Use a significant level of α=0.5. a. Identify the relevant variable and parameter b. State null and alternative hypothesis c. Find the test statistic value d. Find and interpret the P-value and interpret the conclusion e. Is there a probability of making type I error (Yes or No).
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