Concept explainers
(a).
To find:
The probability that the numbers are both even.
(a).
Answer to Problem 60E
The required probability is
Explanation of Solution
Given:
Two integers from
Concept Used:
Apply the formula of the probability:
Calculation:
Consider the total number is
Assume the event
In which
Thus,
Conclusion:
Hence, the required probability is
(b).
To find:
The probability that the one number is even and one number is odd.
(b).
Answer to Problem 60E
The required probability is
Explanation of Solution
Given:
Two integers from
Concept Used:
Apply the formula of the probability:
Calculation:
Consider the total number is
In which
In which
Conclusion:
Hence, the required probability is
(c).
To find:
The probability that the both numbers are less than
(c).
Answer to Problem 60E
The required probability is
Explanation of Solution
Given:
Two integers from
Concept Used:
Apply the formula of the probability:
Calculation:
Consider the total number is
Total number less than
Assume that the event
Thus,
Conclusion:
Hence, the required probability is
(d).
To find:
The probability that the same number is chosen twice.
(d).
Answer to Problem 60E
The required probability is
Explanation of Solution
Given:
Two integers from
Concept Used:
Apply the formula of the probability:
Calculation:
There are
There are
Therefore, the probability of both numbers being same is:
Conclusion:
Hence, the required probability is
Chapter 8 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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