Question
Bus108 The lifetime of a particular brand of hot water system is normally distributed with a mean of 34 years and a standard deviation of
Bus108
The lifetime of a particular brand of hot water system is normally distributed with a mean of 34 years and a standard deviation of 5 years.
Show workings where possible to support your answers.
A) What is the probability that one randomly selected hot water system works for less than 32 years?
B) What is the probability that one randomly selected hot water system works between 32 years and 36 years?
C) Determine the maximum lifetime that that this particular hot water system would work, if it were in the lowest 2.5% of the distribution of hot water system lifetimes.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started