concentration for all such medicines is less than 16 pg/g nts 12 13 20 5.5 105...
Listed below are the lead concentrations in pg/g measured in different traditional medicines. Use a 0.10 significance level to test the claim that the mean lead concentration for all such medicines is less than 15 ug/g. Assume that the sample is a simple random sample 21.5 5.5 20.5 7.5 4 11 8.5 3 10.5 13.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: p= 15 ug/g H 15...