The probability P, as a percent, that a certain computer keyboard in a public library will last more than t years can be approximated by P = 100e−1.2t. (a) What is the probability that the keyboard will last more than 2 years? Round to the nearest tenth. % (b) After how many years will the probability of keyboard failure be 79%? Round to the nearest tenth. yr
The probability P, as a percent, that a certain computer keyboard in a public library will last more than t years can be approximated by P = 100e−1.2t. (a) What is the probability that the keyboard will last more than 2 years? Round to the nearest tenth. % (b) After how many years will the probability of keyboard failure be 79%? Round to the nearest tenth. yr
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...
Related questions
Question
The
P = 100e−1.2t.
(a) What is the probability that the keyboard will last more than 2 years? Round to the nearest tenth.
%
(b) After how many years will the probability of keyboard failure be 79%? Round to the nearest tenth.
yr
%
(b) After how many years will the probability of keyboard failure be 79%? Round to the nearest tenth.
yr
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON