Examlex

Solved

The Estimated Service Life of a Part Is Normally Distributed

question 27

Essay

The estimated service life of a part is normally distributed with a mean of 500 hours and a standard deviation of 40 hours.Determine the probability of failing in these intervals :
(i)before its mean life(ii)after 450 hours of operation(iii)between 540 hours and 600 hours


Definitions:

Elements

Basic substances that cannot be broken down into simpler substances by chemical means.

Content Curation

The process of gathering, organizing, and presenting digital content around specific themes or topics.

Microblog

A social media service where users can share short, often fleeting messages or posts, focusing on rapid communication and engagement.

Retweeting

The act of sharing someone else's tweet with your own followers on the social media platform Twitter.

Related Questions