The Active Lifetime of Laptop Computers Is Normally Distributed, with a Mean

question 5

Short Answer

The active lifetime of laptop computers is normally distributed, with a mean of 36 months and a standard deviation of 6 months.
a. What is the probability that a randomly selected laptop will last less than 3.5 years?
b. What proportion of the laptops will last more than 32 months?
c. What proportion of the laptops will last between 2 and 4 years?

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Definitions:

Skin Moisturized

The condition of the skin being hydrated, often achieved through the application of lotions or creams that prevent dryness.

Hospice Care

Specialized care aimed at providing comfort and support to patients and their families during the final stages of a terminal illness.

Terminal Illness

A disease or condition which is incurable and expected to lead to the death of the patient within a relatively short period of time.

Pain Management

The process and techniques used to control pain and improve the quality of life for individuals experiencing pain.