The life of light bulbs is distributed normally. The standard deviation of the lifetime is 30 hours and the mean lifetime of a bulb is 525 hours. Find the probability of a bulb lating for between 538 and 545 hours. Round to four decimal
The life of light bulbs is distributed normally. The standard deviation of the lifetime is 30 hours and the mean lifetime of a bulb is 525 hours. Find the probability of a bulb lating for between 538 and 545 hours. Round to four decimal
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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The life of light bulbs is distributed normally. The standard deviation of the lifetime is 30 hours and the mean lifetime of a bulb is 525 hours.
Find the
Round to four decimals
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