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Quiz 8.3 &amp; 9.1

Quiz 8.3 &amp; 9.1 - View Attempt...

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View Attempt 1 of 1 Title: MTH 316 Quiz 8.3 and 9.1 Started: November 22, 2010 7:09 PM Submitted: November 22, 2010 7:18 PM Time spent: 00:08:37 Total score: 8/10 = 80% Total score adjusted by 0.0 Maximum possible score: 10 Done 1. For a binomial experiment with 450 successes out of 500 trials, what is a point estimate for the probability of success p on a single trial? Round your answer to two decimal places. Student Response Value Correct Answer Feedback 1. 0% 2. 0% 3. 0% 4. 100% 5. 0% Score: 1/1 Comments: 2. Suppose you want to conduct a survey to determine the proportion of people who favor a proposed tax policy. How does increasing the standard deviation affect the size of the margin of error? Student Response Value Correct Answer Feedback 1. Increasing the standard deviation increases the size of the margin of error. 100% 2. Increasing the standard deviation decreases the size of the margin of 0% Your location: Assessments View All Submissions › View Attempt View Attempt http://webctap.gardner-webb.edu/webct/urw/lc9821263... 1 of 7 11/22/2010 7:18 PM

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Student Response Value Correct Answer Feedback error. Score: 0/1 Comments: 3. In a random sample of 69 professional actors, it was found that 21 were extroverts. Let p represent the proportion of all actors who are extroverts. Find a point estimate for p. Student Response Value Correct Answer Feedback 1. 48 0% 2. 0.304 100% 3. 0.848 0% 4. 0.696 0% 5. 0.152 0% Score: 1/1 Comments: 4. In a random sample of 517 judges, it was found that 286 were introverts. Let p represent the proportion of all judges who are introverts. Find a point estimate for p . Round your answer to four decimal places.
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Quiz 8.3 &amp; 9.1 - View Attempt...

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