Mathematics, 04.04.2020 06:07 lizatapper3086
A group of college DJs surveyed students to find out what music to plan for their upcoming parties. Thirty percent of the students preferred dubstep, 25% of the students liked trance music, and 20% wanted to hear only house music. Fifteen percent of the respondents selected both dubstep and trance. The conditional probability that a student likes dubstep, given that he or she likes trance music, is:A) 60%
B) 0%
C) 20%
D) 40%
Answers: 2
Mathematics, 21.06.2019 18:20
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, 22.06.2019 00:30
For the word below, click on the drop-down arrows to select the root and its meaning. version
Answers: 2
A group of college DJs surveyed students to find out what music to plan for their upcoming parties....
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