A manager wishes to predict the annual cost (y)of an automobile based on the number of miles (x)driven.The following model was developed: ŷ = 2,000 + 0.42x.If a car is driven 15,000 miles, the predicted cost is ____________.
A)2,090
B)17,000
C)8,400
D)8,300
E)6,300

Question

Quizplus · Accepted Answer

The predicted cost is calculated by substituting x = 15,000 into the model: ŷ = 2,000 + 0.42(15,000) = 2,000 + 6,300 = 8,300.

A Manager Wishes to Predict the Annual Cost (Y)of an Automobile