Unformatted text preview: ock5 Binomial or not • 40 randomly selected college students were asked if they selected their major in order to get a good job. • 35 randomly selected Americans were asked what country their mothers were born. Statistics: Unlocking the Power of Data Lock5 Binomial or not • 40 randomly selected college students were asked if they selected their major in order to get a good job. • Binomial • 35 randomly selected Americans were asked what country their mothers were born. • Not Binomial, more than two possible answers per trial. Statistics: Unlocking the Power of Data Lock5 Binomial? Which of these is a reasonable binomial r.v.? a) Number of Democrats in a random sample of 50 voters in a large city where about 55% of voters are Democrats. b) Number of correct answers in a 5 question multiple choice quiz (four choices each). c) Number of days of rain in a seven day week. Statistics: Unlocking the Power of Data Lock5 Binomial? Which of these is a reasonable binomial r.v.? a) Number of home team wins in a best 4 of 7 playoff series. Not a fixed n
b) Number of Democrats in a random sample of 50 voters in a large city where about 55% of voters are Democrat...
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 Spring '14
 Statistics, Standard Deviation, Power, Probability theory

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