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A new sports car model has defective brakes 15 percent of
Chapter 5, Problem 71E(choose chapter or problem)
Problem 71E
A new sports car model has defective brakes 15 percent of the time and a defective steering mechanism 5 percent of the time. Let’s assume (and hope) that these problems occur independently. If one or the other of these problems is present, the car is called a “lemon.” If both of these problems are present, the car is a “hazard.” Your instructor purchased one of these cars yesterday. What is the probability it is:
a. A lemon?
b. A hazard?
Questions & Answers
QUESTION:
Problem 71E
A new sports car model has defective brakes 15 percent of the time and a defective steering mechanism 5 percent of the time. Let’s assume (and hope) that these problems occur independently. If one or the other of these problems is present, the car is called a “lemon.” If both of these problems are present, the car is a “hazard.” Your instructor purchased one of these cars yesterday. What is the probability it is:
a. A lemon?
b. A hazard?
ANSWER:
Solution:
Step 1 of 3:
A sports car model has defective brakes 15 percent of the time and a defective steering mechanism 5 percent of the time.
We have to assume that these problems occur independently.
The car is called lemon if one or the other of these problems are present.
The car is called hazard if both these problems are present.