Mathematics, 02.04.2020 18:15, angelisabeast5430
"For many people, being left alone with their thoughts is a most undesirable activity,." says a psychologist involved in a study examining reactions to solitude.1 In the study, 146 college students were asked to hand over their cell phones and sit alone, thinking, for about 10 minutes. Afterward, 76 of the participants rated the experience as unpleasant. Use this information to estimate the proportion of all college students who would find it unpleasant to sit alone with their thoughts. (This reaction is not limited to college students: in a follow-up study involving adults ages 18 to 77, a similar outcome was reported.)1Bower B, "People will take pain over being left alone with their thoughts," Science News, 186(3), August 9, 2014, p. 12.(a) Give notation for the quantity that is being estimated.(b) Give notation for the quantity that gives the best estimate.(c) Give the value for the quantity that gives the best estimate. Round your answer to three decimal places. Value=(d) Give a 95% confidence interval for the quantity being estimated, given that the margin of error for the estimate is 6%.Round your answers to three decimal places. The interval is to
Answers: 1
Mathematics, 21.06.2019 18:20, acharity196
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?
Answers: 2
Mathematics, 21.06.2019 22:30, noathequeen
James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?
Answers: 1
Mathematics, 22.06.2019 00:00, madisonvinson80
Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start
Answers: 1
"For many people, being left alone with their thoughts is a most undesirable activity,." says a psyc...
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