Concept explainers
(a)
To find: The probability of the given event.
(a)
Answer to Problem 10WE
The probability for the given event is
Explanation of Solution
Given:
The event is “a red bed.”
Calculation:
Based on the problem, it can be assumed that there is 1 turquoise and 1 yellow bead. Then there are 2 white beads, and 4 red beads. That means in this scenario, there are total of 8 beads. So, 4 out of the 8 beads are red.
The probability of the given event is as follows.
Therefore, the probability for the given event is
(b)
To find: The probability of the given event.
(b)
Answer to Problem 10WE
The probability for the given event is
Explanation of Solution
Given:
The event is “a white bed.”
Calculation:
Based on the problem, it can be assumed that there is 1 turquoise and 1 yellow bead. Then there are 2 white beads, and 4 red beads. That means in this scenario, there are total of 8 beads. So, 2 out of the 8 beads are white.
The probability of the given event is as follows.
Therefore, the probability for the given event is
(c)
To find: The probability of the given event.
(c)
Answer to Problem 10WE
The probability for the given event is
Explanation of Solution
Given:
The event is “either a yellow bead or turquoise beads.”
Calculation:
Based on the problem, it can be assumed that there is 1 turquoise and 1 yellow bead. Then there are 2 white beads, and 4 red beads. That means in this scenario, there are a total of 8 beads and 2 out of the 8 beads are yellow or turquoise.
The probability of the given event is as follows.
Therefore, the probability for the given event is
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Algebra and Trigonometry: Structure and Method, Book 2
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