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The useful life of a certain battery is normally distributed with a mean of 328 hour standard deviation of 4 hours. A company has 500 of these batteries on hand. 26. What percentage of the batteries will last at least 336 hours? 27. What percentage of the batteries will last at most 328 hours? 28. What percentage of the batteries will last between 320 and 332 hours? 29. How many of the batteries will last less than 324 hours? (Round to nearest whole number.) 30. How many of the batteries will last longer than 332 hours? (Round to nearest whole number.) 31. How many of the batteries will last between 324 and 340 hours? (Round to nearest whole number.) Choices for 26-28: A) 2.5% D) 68% AC) 50% BC) 99.7% B) 97 E) 83. A) 419 D) 475 AC) 340 BC) 499 AD) 9 BD) & Choices for 29-31: B) 13- E) 24 AD) 4 BD) 4

The useful life of a certain battery is normally distributed with a mean of 328 hour standard deviation of 4 hours. A company has 500 of these batteries on hand. 26. What percentage of the batteries will last at least 336 hours? 27. What percentage of the batteries will last at most 328 hours? 28. What percentage of the batteries will last between 320 and 332 hours? 29. How many of the batteries will last less than 324 hours? (Round to nearest whole number.) 30. How many of the batteries will last longer than 332 hours? (Round to nearest whole number.) 31. How many of the batteries will last between 324 and 340 hours? (Round to nearest whole number.) Choices for 26-28: A) 2.5% D) 68% AC) 50% BC) 99.7% B) 97 E) 83. A) 419 D) 475 AC) 340 BC) 499 AD) 9 BD) & Choices for 29-31: B) 13- E) 24 AD) 4 BD) 4

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The useful life of a certain battery is normally distributed with a mean of 328 hours and standard deviation of 4 hours. A company has 500 of these batteries on hand. 26. What percentage of the batteries will last at least 336 hours? 27. What percentage of the batteries will last at most 328 hours? 28. What percentage of the batteries will last between 320 and 332 hours? 29. How many of the batteries will last less than 324 hours? (Round to nearest whole number.) 30. How many of the batteries will last longer than 332 hours? (Round to nearest whole number.) 31. How many of the batteries will last between 324 and 340 hours? (Round to nearest whole number.) GSE Algebra IIB Week 13 Page 17 of 21 Choices for 26-28: A) 2.5% B) 97.5% E) 83.85% === AD) 95% BD) 81.5% D) 68% AC) 50% BC) 99.7% Choices for 29-31: A) 419 D) 475 AC) 340 BC) 499 C) 16% B) 13 E) 249 AD) 408 BD) 488 AB) 84% AE) 49.85% BE) 47.5% C) 250 AB) 80 AE) 420 BE) 238
Transcribed Image Text:The useful life of a certain battery is normally distributed with a mean of 328 hours and standard deviation of 4 hours. A company has 500 of these batteries on hand. 26. What percentage of the batteries will last at least 336 hours? 27. What percentage of the batteries will last at most 328 hours? 28. What percentage of the batteries will last between 320 and 332 hours? 29. How many of the batteries will last less than 324 hours? (Round to nearest whole number.) 30. How many of the batteries will last longer than 332 hours? (Round to nearest whole number.) 31. How many of the batteries will last between 324 and 340 hours? (Round to nearest whole number.) GSE Algebra IIB Week 13 Page 17 of 21 Choices for 26-28: A) 2.5% B) 97.5% E) 83.85% === AD) 95% BD) 81.5% D) 68% AC) 50% BC) 99.7% Choices for 29-31: A) 419 D) 475 AC) 340 BC) 499 C) 16% B) 13 E) 249 AD) 408 BD) 488 AB) 84% AE) 49.85% BE) 47.5% C) 250 AB) 80 AE) 420 BE) 238
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