You have a 5-question multiple-choice test. each question has four choices. you don’t know any of the answers. what is the experimental probability that you will guess exactly three out of five questions correctly? type your answer below using complete sentences.

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F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?