To test whether extracurricular activity is a good predictor of college success, a college administrator records whether students participated in extracurricular activities during high school and their subsequent college freshman gpa. extracurricular activity college freshman gpa yes 3.51 yes 3.35 yes 3.96 yes 3.69 no 3.00 no 3.79 no 3.41 no 2.74 no 3.86 no 2.82 (a) code the dichotomous variable and then compute a point-biserial correlation coefficient.

Sorry guys but as you have a small brain

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Acarton of juice contains 64 ounces miss wilson bought six cartons of juice how many ounces of juice did she buy