(a)
To calculate: The probability that a randomly selected dorm room has a refrigerator or a TV.
0.75 OR
Given information:
Calculation:
The probability is calculated as:
The required probability is 0.75.
(b)
To calculate: The probability that a dorm room with a refrigerator has a TV.
Formula used:
The formula for conditional probability is:
Calculation:
Consider, the following events:
A = Refrigerator
B = TVs
Use the definition of conditional probability, to compute the required probability as:
The required probability is 0.4848
Chapter 10 Solutions
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