A manufacturer of light-emitting diode (LED) lights has tested its lights and found that the percent chance P that a light will fail after t hrs of use can be approximated by the following. 6/30,000 P=100 (a) What is the percent chance that one of the company's LED lights will fail after 20,000 hrs? Round to the nearest tenth. (b) In how many hours will the chance of an LED light failing reach 20%? Round to the nearest thousand. hr
A manufacturer of light-emitting diode (LED) lights has tested its lights and found that the percent chance P that a light will fail after t hrs of use can be approximated by the following. 6/30,000 P=100 (a) What is the percent chance that one of the company's LED lights will fail after 20,000 hrs? Round to the nearest tenth. (b) In how many hours will the chance of an LED light failing reach 20%? Round to the nearest thousand. hr
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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