A Dot Plot of the Speeds of a Sample of 50

question 80

Multiple Choice

A dot plot of the speeds of a sample of 50 cars passing a policeman with a radar gun is shown below. What proportion of the motorists were driving above the posted speed limit of 60 miles per hour?

• A) 0.18
• B) 0.22
• C) 0.04
• D) 2

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Definitions:

Gross Investment

The total amount spent on purchases of new capital assets and replacement of depreciated assets, not adjusted for depreciation.

Depreciation

Depreciation refers to the accounting method of allocating the cost of a tangible asset over its useful life, representing how much of an asset's value has been used up over time.

Gross Investment

The total amount of money invested in capital assets before accounting for depreciation, representing all new investment in the economy.

Depreciation

The diminishing value of an asset over periods, often as a result of deterioration or becoming obsolete.