John's Commute Time to Work During the Week Follows the Normal

question 94

Multiple Choice

John's commute time to work during the week follows the normal probability distribution with a mean time of 26.7 minutes and a standard deviation of 5.1 minutes. What is the probability that the commute time for a randomly selected day will be less than 18 minutes?

• A)0.0436
• B)0.0778
• C)0.2236
• D)0.1271

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Definitions:

Automobile

A wheeled motor vehicle used for transportation, typically powered by an internal combustion engine or electric motor.

Substitute Good

A product or service that consumers see as a viable alternative to another product, where an increase in the price of one leads to an increase in demand for the other.

Laptop Computers

Portable personal computers with a clamshell form factor, suitable for mobile use and equipped with a keyboard and a screen.

Electronic Textbooks

Digital versions of textbooks that can be accessed on electronic devices like computers, tablets, or e-readers.