Concept explainers
To find: the probability of not having rain on any day of week.
Answer to Problem 8CFU
The probability of not having rain in any day is
Explanation of Solution
Given:
Out of
Concept used:
Binomial probability refers to the probability of exactly
If the probability of success on an individual trial is
Then the binomial probability is:
The probability is minimum
If
At least
At most
Calculation:
There are
According to the given out of
Out of
The probability will be
Therefore, the probability of the not having a rain on any day will be sum of probability of two day having no rain and five day having no rain is
Hence, the probability of not having rain in any day is
Chapter 13 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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