A Proofreader Checked 160 Ads for Grammatical Errors Under the Null Hypothesis of a Uniform Distribution, the Expected

question 25

Multiple Choice

A proofreader checked 160 ads for grammatical errors. The sample frequency distribution is shown: $$\begin{array} { | l | c | c | c | c | } \hline \text { Number of Errors } & 0 & 1 & 2 & 3 \\\hline \text { Observed Frequency } & 10 & 65 & 71 & 14 \\\hline\end{array}$$ Under the null hypothesis of a uniform distribution, the expected number of times we would get 0 errors is:

• A)10.
• B)20.
• C)30.
• D)40.

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Definitions:

Arkansas Prison

The correctional system in the state of Arkansas, consisting of various facilities and institutions for incarcerating convicted individuals.

Free Exercise Clause

A provision in the First Amendment of the US Constitution that protects individuals' rights to practice their religion freely, barring any harm to others.

First Amendment

An amendment to the United States Constitution that guarantees freedoms concerning religion, expression, assembly, and the right to petition. It forbids Congress from both promoting one religion over others and also restricting an individual's religious practices.

Religious Freedom Restoration

A U.S. federal law intended to prevent laws that substantially burden a person's free exercise of their religion.