Here is the distribution of ethnicity for inmates on death...

Here is the distribution of ethnicity for inmates on death row as of April 2013. | Ethnicity | African American | Caucasian | Latino | Native American | Asian | | :--- | :--- | :--- | :--- | :--- | :--- | | Probability | 0.42 | 0.43 | | 0.01 | 0.01 | What is the probability that a death row inmate is Caucasian or Asian?

Refer to the following. The proportions of people of various racial/ethnic identities charged with nonviolent crimes in a large city is known to be $58 \%$ White, $23 \%$ Black, $12 \%$ Hispanic, and $7 \%$ other. In a random sample of 80 people charged with nonviolent crimes in the city, the numbers receiving especially harsh sentences is tabulated in the following table. $$\begin{array}{|c|c|c|c|c|} \hline \text { Ethnicity } & \text { White } & \text { Black } & \text { Hispanic } & \text { Other } \\ \hline \begin{array}{l} \text { Number of } \\ \text { harsh sentences } \end{array} & 35 & 29 & 12 & 4 \\ \hline \end{array}$$ Assuming the null hypothesis is true, what is the expected number of Black nonviolent offenders who would receive a harsh sentence? (A) 18 (B) 18.4 (C) 19 (D) 20 (E) 23

Inference for Categorical Data: Chi-Square

Quiz 30

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