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2. [9 marks] The variance in drug weights is critical in the pharmaceutical industry. For a specific drug, with weights
Posted: Mon Apr 11, 2022 6:31 am
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- 2 9 Marks The Variance In Drug Weights Is Critical In The Pharmaceutical Industry For A Specific Drug With Weights 1 (97.41 KiB) Viewed 46 times
2. [9 marks] The variance in drug weights is critical in the pharmaceutical industry. For a specific drug, with weights measured in grams, a sample of 18 units provided a sample variance of 52 = 0.36. Assume that drug weights are normally distributed. a. [5] Calculate the p-value in order to test: Ho: 0 = 0.5 and assess the amount of evidence against Ho, using the guidelines on page 128 of the course notes. Be sure to show all steps clearly and show all relevant work in your solution (as noted in
question 1). b. [4] Construct a 95% confidence interval for o. Would you expect your 95% confidence interval for o to contain 0.5? Explain. Would you expect a 70% confidence interval for o to contain 0.5? Explain.