Matthew wants to sell laptops and smartphones. He wants to sell at least 121212 devices and earn at least \$4500$4500dollar sign, 4500. L+S \geq 12L+S≥12L, plus, S, is greater than or equal to, 12 represents the number of laptops LLL and smartphones SSS Matthew should sell to achieve his goal of selling at least 121212 devices. 425L+125S \geq 4500425L+125S≥4500425, L, plus, 125, S, is greater than or equal to, 4500 represents the number of laptops and smartphones he can sell to earn at least \$4500$4500dollar sign, 4500. Does Matthew meet both of his goals by selling 999 laptops and 666 smartphones?

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below. correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance. what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?