Concept explainers
Find the proportion of samples break during shipment.
Answer to Problem 185SE
The proportion of samples break during shipment is 0.014.
Explanation of Solution
Given info:
There are 2% and 1% of the sample shipped in small and large packages, respectively, break during transit. If 60% of the samples are shipped in large packages and 40% are shipped in small packages.
Calculation:
Total probability rule for two events:
For any events A and B, the probability of A is,
Let B denote the
L denote the event that large packaging is used.
From given information,
The formula for finding the proportion of samples break during shipment is,
That is,
Thus, the proportion of samples break during shipment is 0.014.
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Chapter 2 Solutions
Applied Statistics and Probability for Engineers
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