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TIMTBF TIMTBF -T/MTBF e e T/MTBF 0.10 .9048 2.60 .0743 5.10 .0061 0.20 .8187 2.70 .0672 5.20 .0055 0.30 7408

TIMTBF TIMTBF -T/MTBF e e T/MTBF 0.10 .9048 2.60 .0743 5.10 .0061 0.20 .8187 2.70 .0672 5.20 .0055 0.30 7408

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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UI apprUxiilmately 10 pèrcent? 14. Lucky Lumen light bulbs have an expected life that is exponentially distributed with a mean of 20,000 hours. Determine the probability that one of these light bulbs will last a. at least 24,000 hours. b. no longer than 4,000 hours. c. between 4,000 hours and 24,000 hours.
Transcribed Image Text:UI apprUxiilmately 10 pèrcent? 14. Lucky Lumen light bulbs have an expected life that is exponentially distributed with a mean of 20,000 hours. Determine the probability that one of these light bulbs will last a. at least 24,000 hours. b. no longer than 4,000 hours. c. between 4,000 hours and 24,000 hours.
TMTBF T/MTBF -T/MTBF e T/MTBF -TIMTBF e T/MTBF -T/MTBF e 0.10 .9048 2.60 .0743 5.10 .0061 0.20 .8187 2.70 .0672 5.20 .0055 0.30 .7408 2.80 .0608 5.30 .0050 0.40 .6703 2.90 .0550 5.40 .0045 0.50 .6065 3.00 .0498 5.50 .0041 0.60 .5488 3.10 .0450 5.60 .0037 0.70 .4966 3.20 .0408 5.70 .0033 0.80 .4493 3.30 .0369 5.80 .0030 0.90 .4066 3.40 .0334 5.90 .0027 1.00 .3679 3.50 .0302 6.00 .0025 1.10 .3329 3.60 .0273 6.10 .0022 1.20 .3012 3.70 .0247 6.20 .0020 1.30 .2725 3.80 .0224 6.30 .0018 1.40 .2466 3.90 .0202 6.40 .0017 1.50 2231 4.00 .0183 6.50 .0015 1.60 .2019 4.10 .0166 6.60 .0014 1.70 .1827 4.20 .0150 6.70 .0012 1.80 .1653 4.30 .0136 6.80 .0011 1.90 .1496 4.40 .0123 6.90 .0010 2.00 .1353 4.50 .0111 7.00 .0009 2.10 .1255 4.60 .0101 2.20 .1108 4.70 .0091 2.30 .1003 4.80 .0082 2.40 .0907 4.90 .0074 2.50 .0821 5.00 .0067
Transcribed Image Text:TMTBF T/MTBF -T/MTBF e T/MTBF -TIMTBF e T/MTBF -T/MTBF e 0.10 .9048 2.60 .0743 5.10 .0061 0.20 .8187 2.70 .0672 5.20 .0055 0.30 .7408 2.80 .0608 5.30 .0050 0.40 .6703 2.90 .0550 5.40 .0045 0.50 .6065 3.00 .0498 5.50 .0041 0.60 .5488 3.10 .0450 5.60 .0037 0.70 .4966 3.20 .0408 5.70 .0033 0.80 .4493 3.30 .0369 5.80 .0030 0.90 .4066 3.40 .0334 5.90 .0027 1.00 .3679 3.50 .0302 6.00 .0025 1.10 .3329 3.60 .0273 6.10 .0022 1.20 .3012 3.70 .0247 6.20 .0020 1.30 .2725 3.80 .0224 6.30 .0018 1.40 .2466 3.90 .0202 6.40 .0017 1.50 2231 4.00 .0183 6.50 .0015 1.60 .2019 4.10 .0166 6.60 .0014 1.70 .1827 4.20 .0150 6.70 .0012 1.80 .1653 4.30 .0136 6.80 .0011 1.90 .1496 4.40 .0123 6.90 .0010 2.00 .1353 4.50 .0111 7.00 .0009 2.10 .1255 4.60 .0101 2.20 .1108 4.70 .0091 2.30 .1003 4.80 .0082 2.40 .0907 4.90 .0074 2.50 .0821 5.00 .0067
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