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Question: What purchases will be made? A poll of 1000 adults aged 18 or older asked about purchases they intended to make for the upcoming holiday season. A total of 463 adults listed gift card as a planned purchase.
(a) What proportion of adults plan to purchase a gift card as a present?
(b) What are the odds that an adult will purchase a gift card as a present?
(c) What proportion of adults do not plan to purchase a gift card as a present?
(d) What are the odds that an adult will not buy a gift card as a present?
(e) How are your answers to parts (b) and (d) related?
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The sample mean of the sampling distribution of a statistic is 6 and the standard error of the statistic is 1.03. What is the probability that xbar > 7.52?
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Compute the linear regression model based on the sample data. Interpret the slope and intercept coefficients.
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suppose you estimate a model obtaining wage 0.620 0.506 times educ 2.27 times female were wage is measured in
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