
Concept explainers
(a)
To find: The probability of each of the event.
(a)

Answer to Problem 3WE
The probability of the event is
Explanation of Solution
Given:
The bag contains 4 white, 6 red and 6 green balls.
Calculation:
The object is to find the probability that the random ball is white.
The total number of balls is,
Then, the probability that the random ball is white is,
(b)
To find: The probability of each of the event.
(b)

Answer to Problem 3WE
The probability of the event is
Explanation of Solution
Given:
The bag contains 4 white, 6 red and 6 green balls.
Calculation:
The object is to find the probability that the random ball is white, red or green.
The total number of balls is,
Then, the probability that the random ball is white, red or green is,
(c)
To find: The probability of each of the event.
(c)

Answer to Problem 3WE
The probability of the event is
Explanation of Solution
Given:
The bag contains 4 white, 6 red and 6 green balls.
Calculation:
The object is to find the probability that the random ball is red or green.
The total number of balls is,
Then, the probability that the random ball is red or green is,
(d)
To find: The probability of each of the event.
(d)

Answer to Problem 3WE
The probability of the event is
Explanation of Solution
Given:
The bag contains 4 white, 6 red and 6 green balls.
Calculation:
The object is to find the probability that the random ball is not red.
The total number of balls is,
Then, the probability that the random ball is not red is the probability that the ball is white or green as,
Chapter 15 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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