Listed below are the lead concentrations in μ​g/g measured in different traditional medicines. Use a 0.01 significance level to test the claim that the mean lead concentration for all such medicines is less than 17 μ​g/g. Assume that the sample is a simple random sample.   8     8.5     21     13     18     21.5     11     13     13     21   a) Assuming all conditions for conducting a hypothesis test are​ met, what are the null and alternative​ hypotheses? b) Determine the test statistic. c) Determine the eP-value. d) (Reject/fail to reject). There is (sufficient/not sufficient) evidence to conclude that the mean lead concentration for all such medicines is (=, not, >,<) 17

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