Mathematics, 25.11.2019 22:31 sierravick123owr441
Amagazine reports that women trust recommendations from a particular social networking site more than recommendations from any other social network platform. but does trust in this social networking site differ by gender? the following sample data show the number of women and men who stated in a recent sample that they trust recommendations made on this particular social networking site.
sample
women - 150
men - 170
trust recommendations made on the social networking site
women - 123
men - 102
(a) what is the point estimate of the proportion of women who trust recommendations made on this particular social networking site?
(b) what is the point estimate of the proportion of men who trust recommendations made on this particular social networking site?
(c) provide a 95% confidence interval estimate of the difference between the proportion of women and men who trust recommendations made on this particular social networking site.
Answers: 2
Mathematics, 21.06.2019 20:30
Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?
Answers: 1
Mathematics, 21.06.2019 20:40
Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
Answers: 3
Mathematics, 21.06.2019 21:00
Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.
Answers: 1
Amagazine reports that women trust recommendations from a particular social networking site more tha...
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