# Lecture Notes for MATH 1530 - Probability and Statistics with Maxson at Walters State Community College (WSCC)

## Notes Information

 Material Type: Review Sheet Professor: Maxson Class: MATH 1530 - Probability and Statistics Subject: Mathematics University: Walters State Community College Term: Spring 2004 Keywords: Side EffectPoint EstimateConfidence LevelConfidence IntervalClinical TrialProfessionalSample SizeRandom SampleMargin of ErrorReview Questions ## Sample Document Text

Math 1530 Chapter 6 Review Questions 1. Assume that a computer was used to generate the given confidence interval of (136, 150) for the population mean, �. Find the margin of error and the point estimate of the mean. 2. Find the critical value z?/2 that corresponds to a 98% degree of confidence. 2b. Find the critical t?/2 that corresponds to a 98% degree of confidence. The sample size is 25. 3. Find the margin of error (E) one would use in estimating the population mean � for weights of eggs at the 95% confidence level; where n = 49, x-bar = 1.71, and s = 0.39. 4. Write the confidence interval for #3. 5. A random sample of 94 light bulbs had a mean life of x-bar = 548 hrs with s = 29 hrs. Construct a 90% confidence level for the mean life, �, of all light bulbs of this type. 6. The drug Lipitor is meant to lower cholesterol levels. In a clinical trial of 863 patients who received 10-mg doses of Lipitor daily, 47 reported a headache as a side effect. ...

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