Suppose 70% of all voters voted for the Republican candidate. If an exit poll of 50 people were chosen randomly, would it be surprising if less than half who were sampled said they voted Republican? To reason an answer, use the applet described in Activity 2 to conduct at least ten simulations of taking samples of size 50 from a population with proportion 0.70. Note the sample proportions. Do you observe any sample proportion less than 0.50? What does this suggest?
Answer to relevant QuestionsIn a University of Wisconsin (UW) study about alcohol abuse among students, 100 of the 40,858 members of the student body in Madison were sampled and asked to complete a questionnaire. One question asked was, “On how many ...For the marketing study about sales in Example 4, identify the (a) Sample and population. (b) Descriptive and inferential aspects. The Institute for Public Opinion Research at Florida International University has conducted the FIU/Florida Poll (www2.fiu.edu/orgs/ipor/globwarm2.htm) of about 1200 Floridians annually since 1988 to track opinions on a wide ...During the 2010 Professional Golfers Association (PGA) season, 90 golfers earned at least $1 million in tournament prize money. Of those, 5 earned at least $4 million, 11 earned between $3 million and $4 million, 21 earned ...How do cigarette taxes per pack vary from one state to the next? The data set of 2003 cigarette taxes for all 50 states and Washington, D.C. is in the Cigarette Tax data file on the text CD. a. Use software to construct a ...
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