(b) If there are 250 million individuals who own a cell phone, how manyexpect to replace their phone within the next 12 months? 7.In a poll, a random sample of 2163 adults (aged 18 and over) was asked, "When you see an ad emphasizing that a productis made in your country, are you more likely to buy it, less likely to buy it, or neither more nor less likely to buy it?" Theresults of the survey are presented in the sidebyside graph. Complete parts(a)through(d)below.1834 yrs3544 yrs4554 yrs55+ yrs0.20.40.60.81RelativeFrequency(a)What proportion of 18 to 34yearold respondents are more likely to buy when made in their country? What proportionof 35 to 44yearold respondents are more likely to buy when made in their country?Likelihood to Buy When Made in Home Country0.650.290.060.570.350.080.540.390.070.410.540.05More likelyLess likelyNeither
READING 2.1 PROBLEMS #7-15 ODDS
Never……………125…….0.26 Rarely……………324…….0.68 Sometimes……….552…….0.12 Most of the time…1257……0.26 Always…………..2518……0.53
More than 1 hour/day……377……0.37 Up to 1 hour/day…………192…..0.19 A few times/week………..132…..0.13 A few times/month……….81……0.08 Never……………………..243…..0.24
READING 2.2 PROBLEMS 9-14
60-69……2 70-79……3 80-89……13 90-99……42 100-109….58 110-119….40 120-129….31 130-139….8 140-149….2 150-159….1
0-199 200-399 400-599 1000-1199 1400-1599
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