Quiz 8.1 &amp; 8.2

# Quiz 8.1 & 8.2 - View Attempt

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View Attempt 1 of 1 Title: MTH 316 Quiz 8.1 and 8.2 Started: November 15, 2010 6:43 PM Submitted: November 15, 2010 7:11 PM Time spent: 00:27:18 Total score: 7/10 = 70% Total score adjusted by 0.0 Maximum possible score: 10 Done 1. Sam computed a 90% confidence interval for from a specific random sample of size n. He claims that at the 10% confident level, his confidence interval contains . Is this claim correct? Student Response Value Correct Answer Feedback 1. yes 0% 2. no 100% Score: 0/1 Comments: 2. Suppose a certain species bird has an average weight of grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution with grams. For a small group of 20 birds, find a 80% confidence interval for the average weights of these birds. Student Response Value Correct Answer Feedback 1. 3.29 grams to 4.11 grams 0% 2. 2.42 grams to 4.11 grams 0% 3. 3.61 grams to 3.77 grams 0% 4. 3.61 grams to 3.79 grams 100% Your location: Assessments View All Submissions › View Attempt View Attempt http://webctap.gardner-webb.edu/webct/urw/lc9821263. .. 1 of 6 11/15/2010 7:10 PM

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Student Response Value Correct Answer Feedback 5. 2.42 grams to 3.79 grams 0% Score: 1/1 Comments: 3. Total plasma volume is important in determining the required plasma component in blood replacement theory for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that sample of 58 male firefighters are tested
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## This note was uploaded on 05/26/2011 for the course MTH 316 taught by Professor Null during the Fall '10 term at GWU.

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Quiz 8.1 & 8.2 - View Attempt

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