A Certain Calling Card Costs 6

question 223

Multiple Choice

A certain calling card costs 6.1 cents per minute to make a call, rounded up to the nearest minute. However, when the card is used at a pay phone, there is an additional 61 cent connection fee. If is the charge from a pay phone for a call lasting t minutes, create a table of charges for calls lasting close to 1 minute and use it to find the following limit, if it exists. Round your answer to the nearest cent. ​ ​

• A) $0
• B) $0.61
• C) $0.73
• D) $0.67
• E) does not exist

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Definitions:

Cholesterol Level

The measure of cholesterol in the blood, important for assessing cardiovascular health and risk of heart disease.

Confidence Interval

A statistical range, with a certain probability, that is likely to contain the true value of an unknown population parameter.

Mean Height

The average height of a group of individuals.

Confidence Interval

A set of values, from sampled data, believed to contain the value of an obscure population parameter.