Question

8) In order for a medication to be safe and effective for a person taking it, a certain dosage of medication must be taken. Each pill should not have much variability from the dosage stated. The mean dosage of 20 extra strength tylenol capsules is 500 mg with a variance of 05. Assume the population of capsule dosage is normally distributed. Construct an 80% confidence interval for the population oariance of the dosage of extra strength Tylenol capsules. 9) A nutritionist is interested in determining the proportion of adults who are 300 adults and finds that 1% of them are vegetarian. If appropriate, use a 99 % confidence interval to estimate the true proportion of adults who are vegetarian. vegetarian. He randomly selects State reasons for your answers 10) Determine whether GPA is normally distributed. 375 GPA 350 325. 300 2/5- 250- 225 0 -1 1 2

Answer 1

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