Question

The regression equation y = - 0.414x + 106.55 appro ximates the percent of people in an audience who finish watching a documentary, y, given the length of the film in minutes, x. What is the percent, rounded to the nearest percent, of people in an audience who will finish watching a documentary that is 95 minutes long? A. 67% B. 4 5% C. 65% D. 30%

Answer 1

Substitute 95 for x in your equation and evaluate.

... y = -0.414·95 +106.55 = 67.22

The appropriate choice is ...

... A. 67%