# Chapter_7_notes - Unit3.chapter7.day2.notebook...

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Unit3.chapter 7. day2.notebook 1 December 16, 2011 Daily Review / Test Prep Four­Block An opinion poll asks an SRS of 1500 adults, "Do you happen to jog?" Suppose that the proportion of people who jog is p = 0.15. To estimate p we use the proportion p(hat) in the sample who answer "YES". The statistic p hat is a random variable the is approximately normally distributed with mean mu = 0.15 and standard deviation sigma = .0092 a. P(p hat) >_ 0.16 b. P(0.14_< p hat_< 0.16 c. P ( p hat = .18) d. How would you construct a simulation you would carry out to approximate to get an answer close to a. Dec 14­11:08 AM

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Unit3.chapter 7. day2.notebook 2 December 16, 2011
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Chapter_7_notes - Unit3.chapter7.day2.notebook...

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