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A Local Newspaper Claims That 70% of the Items Advertised x16x \leq 16

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A local newspaper claims that 70% of the items advertised in its classifieds section are sold within 1 week of the first appearance of the ad. To check the validity of the claim, the newspaper randomly selected n = 25 advertisements from last year's classifieds and contacted the people who placed the ads. They found that 16 of the 25 items sold within a week. Based on the newspaper's claim, is it likely to observe x16x \leq 16 who sold their item within a week? Use a binomial probability table.

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Let x = the number of the 25 ads that re...

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