Concept explainers
a.
To find:the conditional
a.
Answer to Problem 103E
Explanation of Solution
Given:
The given condition is at least one of Ashley children
Concept used:
Probability is the number of favourable outcomes divided by the number of possible outcomes.
Thus, Definition condition probability:
Calculation:
Apply the definition condition probability:
Thus, the conditional probability becomes:
Hence,the probability that the she has two boys is
b.
To find: the conditional probability that the she has two boys as per given condition.
b.
Answer to Problem 103E
Explanation of Solution
Given:
The given condition is at least one of Brianna older children.
Calculation:
Probability is the number of favourable outcomes divided by the number of possible outcomes.
Thus, Definition condition probability:
Thus, the conditional probability becomes:
Hence, the conditional probability that the she has two boys is 0.50
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The Practice of Statistics for AP - 4th Edition
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