You Want to See If the Number of Minutes Cell $\mathrm { H } _ { 0 }$

question 87

Multiple Choice

You want to see if the number of minutes cell phone users use each month has changed from its mean of 120 minutes 2 years ago.You take a random sample of 100 cell phone users and find an average of 135 minutes used.

• A) \(\mathrm { H } _ { 0 }\) : ? = 135 \(\mathrm { H } _ { \mathrm { A } }\) : ? > 135
• B) \(\mathrm { H } _ { 0 }\) : ? = 120 \(\mathrm { H } _ { \mathrm { A } }\) : ? > 120
• C) \(\mathrm { H } _ { 0 }\) : ? = 120 \(\mathrm { H } _ { \mathrm { A } }\) : ? ? 120
• D) \(\mathrm { H } _ { 0 }\) : ? = 120 \(\mathrm { H } _ { \mathrm { A } }\) : ? < 120
• E) \(\mathrm { H } _ { 0 }\) : ? = 135 \(\mathrm { H } _ { \mathrm { A } }\) : ? ? 135

Identify the origins and development of early programming languages.

Acquire knowledge on the inception of business and personal computing markets.

Understand the development and impact of the microprocessor.

Recognize the role of software and operating systems in computing history.

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Definitions:

Lower-of-cost-or-market

An accounting principle that valuables inventory at the lower cost between the original purchase cost and its current market price.

Conservatism

An accounting principle that requires uncertainties and risks to be accounted for by reporting lower potential profits and higher liabilities.

Replacement Cost

The cost to replace an asset at its current market price, often used in insurance and accounting.

Inventory

The total amount of goods or materials a company has in stock for sale or production.