Select an industry, company, or product that you think uses (or should use) the normal distribution to aid in the design

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Select an industry, company, or product that you think uses (or
should use) the normal distribution to aid in the design or
marketing of a product. Do some research on the industry, company,
or product if needed.
Identify the industry, company, or product you selected, and
then discuss the following in your initial response.
Suggestion from your Instructor:
A company produces a laptop whose life (without any breakdown)
has a normal distribution with mean equal to 60 months and
standard deviation equal to 15 months. The company
wants to advertise full replacement for each unit experiencing any
breakdown within the first three years.
Find the percent of units that the company would expect tor
replace.
Based upon your results, answer to the two assignment
questions.