Suppose That a Vaccine Is Developed for a Highly Contagious

question 78

Multiple Choice

Suppose that a vaccine is developed for a highly contagious strain of flu.The likelihood that anyone will get this flu decreases as more people receive the vaccine.One of the demand curves in the diagram reflects private benefits and the other reflects social benefits.
Refer to the figure above.The dollar value of the external ______ is _____ per vaccine.

• A) benefit;$30
• B) cost;$20
• C) benefit;$20
• D) benefit;$75

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Definitions:

Rejection Region

In hypothesis testing, the range of values for which the null hypothesis is considered unlikely and is therefore rejected.

Chi-Square Distribution

A statistical distribution that is used to determine the goodness of fit of an observed distribution to an expected one under the null hypothesis.

Critical Value(s)

Specific point(s) on a distribution curve that define the threshold for rejecting the null hypothesis in hypothesis testing.

Level Of Significance

A threshold in hypothesis testing below which the null hypothesis is rejected, indicating statistical significance.