Concept explainers
The efficiency (in lumens per watt) of light bulbs of a certain type has population
Compute the probability that this specification for the room will met.
Answer to Problem 88SE
The probability that this specification for the room will met is 0.0023.
Explanation of Solution
Let X be the efficiency of light bulbs of a certain type.
From the given information, X follows normal distribution with mean
Then,
Thus, the probability that this specification for the room will met is 0.0023.
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Chapter 7 Solutions
Mathematical Statistics with Applications
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill