2. Explain why the Ratio Test can or cannot be used to determine whether the series isconvergent.(a)[infinity]Qn=1(−1)n (b)[infinity]Qn=1sin(n)(c)[infinity ]Qn=12n+1n2n−1(d)[infinity]Qn=1(n!) 2(2n)!

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.

The bake stars picked 907 apples last weekend at a local orchard they made caramel apples and sold them in the bakery in trays of 6

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much