Concept explainers
(a)
To find:The probability of both card are jacks.
(a)
Answer to Problem 8WE
The probability of both card are jacks
Explanation of Solution
Given information:
The given information is two cards are drawn at the same time from a
Calculation:
Two cards are drawn at random from a
We find the probability that both cards are jacks.
There are
Two cards are drawn at the same time the first card is not replaced. So there are now
Hence the probability that both cards are jacks is given by
Therefore, the probability of both card are jacks
(b)
To find:The probability of both card are sixes.
(b)
Answer to Problem 8WE
The probability of both card are sixes
Explanation of Solution
Given information:
The given information is two cards are drawn at the same time from a
Calculation:
We find the probability that both cards are sixes. There are 4 shoes in a standard deck of
Two cards are drawn at the same time the first card is not replaced. So there are now
Hence the probability that both cards are sixes is given by
Therefore, the probability of both card are sixes
(c)
To find:The probability of either both card are jacks or both card are sixes.
(c)
Answer to Problem 8WE
The probability of both card are jacks or both card are sixes
Explanation of Solution
Given information:
The given information istwo cards are drawn at the same time from a
Calculation:
We find the probability that either both cards are jacks or both are sixes. The event that both cards are jacks and the event that both cards are sixes are mutually exclusive. Hence the probability that either both cards are jacks or both are sixes is given by:
Therefore, the probability of both card are jacks or both card are sixes
Chapter 15 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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