Lisled below are the lead concentrations in ug/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 15 pg/g. Assume that the sample is a simple random sample. 16 22 16.5 95 3.5 35 8 11.5 18.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and altemative hypotheses? O A. Ho = 15 pg/g H, ut 15 pg/g OB. H, u> 15 pg/g H, u< 15 ug/g OC. H p= 15 ug/g H p< 15 pg/g OD. H u=15 ug/g H u> 15 pg/g Determine the test statistic. (Round to two decimal places as needed.) Determine the P-value (Round to three decimal places as needed) State the final conclusion that addresses the original claim. V Họ. There is evidence to conclude that the mean lead concentration for all such medicines is V 15 ug/g

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