Suppose that 53% of all registered voters prefer Barack Obama to John McCain. a. In a random
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a. In a random sample of 100 voters, what is the probability that the sample will indicate that Obama will win the election (that is, there will be more votes in the sample for Obama)?
b. In a random sample of 100 voters, what is the probability that the sample will indicate that McCain will win the election?
c. In a random sample of 100 voters, what is the probability that the sample will indicate a dead heat (fifty-fifty)?
d. In a random sample of 100 voters, what is the probability that between 40 and 60 (inclusive) voters will prefer Obama?
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Data Analysis and Decision Making
ISBN: 978-0538476126
4th edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
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