A Large Trucking Company Wants to Estimate the Proportion of Its

question 88

Multiple Choice

A large trucking company wants to estimate the proportion of its tracker truck population with refrigerated carrier capacity.A random sample of 200 tracker trucks is taken and 30% of the sample have refrigerated carrier capacity.The 90% confidence interval to estimate the population proportion is _______.

• A)0.53 to 0.67
• B)0.25 to 0.35
• C)0.24 to 0.36
• D)0.27 to 0.33
• E)0.33 to 0.39

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Definitions:

Total Profits

The entirety of earnings a company or individual makes after subtracting the total costs from the total revenues.

Two-part Tariff

A pricing strategy that includes a fixed fee plus a variable usage fee, commonly used in utility services or subscription-based services.

Marginal Cost

Refers to the cost associated with producing an additional unit of output, highlighting the concept of incremental expense in production processes.

Profit-maximizing

The method firms apply to identify the most beneficial pricing and production levels for profit maximization.