Section 7.2 - MATH 2311 Section 7.2 Confidence Interval...

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Understanding Basic Statistics
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Chapter 3 / Exercise 2
Understanding Basic Statistics
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MATH 2311Section 7.2
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Understanding Basic Statistics
The document you are viewing contains questions related to this textbook.
Chapter 3 / Exercise 2
Understanding Basic Statistics
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Confidence Interval from a Proportion
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The formula for confidence intervals of proportions:This is taken from the Formula Sheet for Test 3, already posted on my website!
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Popper 15…continued:For a certain population, it is known that 85% of people own their own vehicles. A simple random sample, of size 150, is selected from this population.4. Are the number of successes and failures appropriate for this method?
5. Determine the standard deviation or standard error for the sample selected.

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