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Listed below are the lead concentrations in µg/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 20 µg/g. Assume that the sample is a simple random sample. 15.5 18 17.5 13 18.5 10 6.5 20.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? OA. Ho: >20 µg/g H₁:μ<20 µg/g O C. Hop=20 μg/g H₁:μ>20 µg/g 16 17 Determine the test statistic. (Round to two decimal places as needed.) Determine the P-value. OB. Ho: μ = 20 µg/g H₁: μ#20 μg/g O D. Ho: μ = 20 μg/g H,:μ < 20 μg/g
Listed below are the lead concentrations in µg/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 20 µg/g. Assume that the sample is a simple random sample. 15.5 18 17.5 13 18.5 10 20.5 16 17 OC. Ho: p= 20 µg/g H₁:p>20 µg/g 6.5 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. Ho- There is D. H₂:μ = 20 µg/g H₁ μ< 20 µg/g evidence to conclude that the mean lead concentration for all such medicines is 20 µg/g.