In the parking lot below me, 40% of the vehicles are silver, and about 25% of the vehicles are pickup trucks. The probability that the next vehicle to leave the parking lot will be a silver pickup is
A) .40
B) .65
C) .10
D) It can't be estimated without knowing that color and type of vehicle are independent.

Question

Quizplus · Accepted Answer

The probability of a vehicle being both silver and a pickup truck depends on whether the characteristics of being silver and being a pickup truck are independent. Without knowing if the color and type of vehicle are independent variables, it's impossible to accurately calculate the probability of the next vehicle being a silver pickup truck.

In the Parking Lot Below Me, 40% of the Vehicles