Suppose that the life expectancy of a certain brand of nondefective light bulbs is normally distributed, with a mean life of 1400 hr and a standard deviation of 100 The number of light bulbs that can be expected to last at least 1400 hr is hr. If 50,000 of these bulbs are produced, how many can be expected to last at least 1400 hr? Click here to view page 1 of the table. Click here to view page 2 of the table.

Suppose that the life expectancy of a certain brand of nondefective light bulbs is normally distributed, with a mean life of 1400 hr and a standard deviation of 100 The number of light bulbs that can be expected to last at least 1400 hr is hr. If 50,000 of these bulbs are produced, how many can be expected to last at least 1400 hr? Click here to view page 1 of the table. Click here to view page 2 of the table.

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 14PPS

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Transcribed Image Text:Suppose that the life expectancy of a certain brand of nondefective light bulbs is normally distributed, with a mean life of 1400 hr and a standard deviation of 100 The number of light bulbs that can be expected to last at least 1400 hr is hr. If 50,000 of these bulbs are produced, how many can be expected to last at least 1400 hr? Click here to view page 1 of the table. Click here to view page 2 of the table.

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