Mathematics, 30.10.2019 04:31 EatsChiken
Four buses carrying 157157 high school students arrive to montreal. the buses carry, respectively, 3636, 4545, 3030, and 4646 students. one of the studetns is randomly selected. let xx denote the number of students that were on the bus carrying this randomly selected student. one of the 44 bus drivers is also randomly selected. let yy denote the number of students on his bus. compute the expectations and variances of xx and yy:
Answers: 3
Mathematics, 21.06.2019 14:50, Felicitybuckman
What is the square root of 45? (step by step working plz)
Answers: 1
Mathematics, 21.06.2019 15:40, sabrinachambers444
Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots
Answers: 2
Mathematics, 21.06.2019 18:20, genyjoannerubiera
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.
Answers: 2
Four buses carrying 157157 high school students arrive to montreal. the buses carry, respectively, 3...
Mathematics, 05.05.2020 14:37
Mathematics, 05.05.2020 14:37