Which of the following statements explains why 0.8⎯⎯ is or is not a rational number? 0.8⎯⎯ is rational because it can be written as a ratio of two integers, 89.

0.8⎯⎯ is rational because it can be written as a ratio of two integers, 810.

0.8⎯⎯ is irrational because it can be written as a ratio of two integers, 89.

0.8⎯⎯ is irrational because it can be written as a ratio of two integers, 810.

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

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.

Solve the inequality and graph 6j - 7 < 5