Without looking, Tammy takes a marble
out of a bag that contains 10 red
marbles, 15 green marbles, and 25. blue
marbles. She records its color and
returns the marble to the bag. If Tammy
repeats this process 90 times, how many
times can she expect to pull out a red
marble?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

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.

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce