Question 1. The newest Meta Quest from Meta has an expected life that is exponential with a mean of 5 years. Find the probability (as a percent) that a Meta Quest will have a life that ends: a. After the initial five years of service b. Before 5 years of service are completed c. Not before 6 years of service are completed d. Between 5 and 6 years of service e. Before 3 years of service are completed

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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Question 1. The newest Meta Quest from Meta has an expected life that is exponential with a
mean of 5 years. Find the probability (as a percent) that a Meta Quest will have a life that
ends:
a. After the initial five years of service
b. Before 5 years of service are completed
c. Not before 6 years of service are completed
d. Between 5 and 6 years of service
e. Before 3 years of service are completed
Transcribed Image Text:Question 1. The newest Meta Quest from Meta has an expected life that is exponential with a mean of 5 years. Find the probability (as a percent) that a Meta Quest will have a life that ends: a. After the initial five years of service b. Before 5 years of service are completed c. Not before 6 years of service are completed d. Between 5 and 6 years of service e. Before 3 years of service are completed
Question 2. An Apple Watch has an expected service life that can be modelled by normal
distribution with a mean of three years and a standard deviation of 0.3 a year. Provide the
probability, as a percent, for each event
a. The probability that it will wear out before
three years of service.
b. The probability that it will wear out before 2
years of service.
c. The probability that it will wear out before 2.8
years of service.
Transcribed Image Text:Question 2. An Apple Watch has an expected service life that can be modelled by normal distribution with a mean of three years and a standard deviation of 0.3 a year. Provide the probability, as a percent, for each event a. The probability that it will wear out before three years of service. b. The probability that it will wear out before 2 years of service. c. The probability that it will wear out before 2.8 years of service.
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