The Next Questions Are Based on the Following Information

question 132

Multiple Choice

The Next Questions Are Based On The Following Information:
The manufacturer of a new chewing gum claims that at least 80% of dentists surveyed prefer their type of gum and recommend it for their patients who chew gum.An independent consumer research firm decides to test their claim.The findings in a sample of 200 dentists indicate that 74.1% of the respondents do actually prefer their gum.
-If conducting a two-sided test of population means,unknown variance,at level of significance 0.05 based on a sample of size 20,the critical t-value is:

• A)1.725
• B)2.093
• C)2.086
• D)1.729

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Definitions:

Marginal Cost

The cost incurred by producing one more unit of a good or service.

Socially Optimal Price

A price level for goods or services that considers the wellbeing of society as a whole, often factoring in externalities.

Deadweight Loss

The diminishing of economic efficiency when equilibrium in the free market for a product or service is not attained.

Benevolent

Showing kindness or goodwill, often characterized by acts of generosity or concern for others.