(PLEASE HELP)A standardized test has four forms - A, B, C, and D. Each form comes in five colors - red, blue, yellow, purple, and green. Just type the number answer, aud type probabilities as fractions with / representing the fraction bar. 1. How many different tests are created, based on form and color? 2. What is the probability that Linh receives a blue Form A test? 3. What is the probability that Manuel receives a yellow or green test?​

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.