Suppose a professional survey of 1016 Canadian adults (assume a 50/50 split between men and women) found
Question:
Suppose a professional survey of 1016 Canadian adults (assume a 50/50 split between men and women) found that 65% of men and 45% of women support scrapping the nickel.
a) At what level of significance can we conclude that more Canadian men than women support scrapping the nickel?
b) If we wanted to check out the conclusion in part (a) at the 95% level without going to the expense of surveying 1000 people, how many people would we need to survey?
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a H 0 p 1 p 2 H A p 1 p 2 Since the null hypothesis asserts that the two proportions are the same we use a pooled estimate of the proportion ...View the full answer
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Related Book For 
Business Statistics
ISBN: 9780133899122
3rd Canadian Edition
Authors: Norean D. Sharpe, Richard D. De Veaux, Paul F. Velleman, David Wright
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