In a recent poll, a random sample of adults in some country (18 years and older)
ID: 3129351 • Letter: I
Question
In a recent poll, a random sample of adults in some country (18 years and older) was asked, "When you see an ad emphasizing that a product is "made in our country," are you more likely to buy it, less likely to buy it, or neither more nor less likely to buy it?" The results of the survey, by age group, are presented in the following contingency table. Complete parts (a) through (c).
Purchase likelihood 18-34 35-44 45-54 55+ Total
More likely 204 318 334 410 1266
Less Likely 27 5 28 11 71
Neither more nor less 292 210 162 122 786
Total 523 533 524 543 2123
a-What is the porbability that a randomly selected individual 45-54 years of age, given the individual is neither more nor less likley to buy a product emphasized as "Made in our country"
The probability is approx-____________ round to three decimal
b-What is the probability that a randomly selected invidiauls is neither more nor less likely to buy a product emphasized as "Made in our country", given the individual is 45-54 years of age? ________ round to three decimal.
c) Are 18-34 year olds more likely to buy a product emphasized as "Made in our country" than individuals in general? Yes or no
Explanation / Answer
(a) 0.157325 + 0.013189 = 0.170514
(b) 0.170514/0.246821 = 0.6908
(c) No.
Purchase likelihood 18 - 34 35 - 44 45 - 54 55+ Total More likely 0.09609 0.149788 0.157325 0.193123 0.596326 Less likely 0.003297 0.002355 0.013189 0.005181 0.033443 Neither more nor less 0.137541 0.098917 0.076307 0.057466 0.370231 Total 0.24635 0.25106 0.246821 0.25577 1Related Questions
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