Prison Time According to a public service website, \( 68.9 \% \) of white collar criminals get prison time. A randomly selected sample of 156 white collar criminals revealed that 121 were serving or had served prison time. Using \( \alpha=0.01 \), test the conjecture that the proportion of white collar criminals serving prison time differs from \( 68.9 \% \) using a hypothesis test and a confidence interval.

e) In order to get a better idea of how a given data point relates to other data, it is important to get an idea of how spread out the data are. One way of doing this is by using the range. The range is the distance between the highest and lowest data points in a set. What is the 'range' of the scores for this test?

11) Na distribuição de valores iguais, o Desvio padrão é: 12) \( \begin{array}{llll}\text { a) ( ) negativo } & \text { c) ( ) zero } & \text { b) ( ) a unidade } & \text { d) ( ) positivo }\end{array} \)

Bila diberikan sebuah sebaran normal dengan \( \mu=40 \) dan \( \sigma=6 \), hitunglah: a. Luas daerah di bawah 32 b. Luas daerah di atas 27 c. Luas daerah di antara 42 dan 51 d. Nilai x yang luas daerah di bawahnya \( 45 \% \) e. Nilai \( x \) yang luas daerah di atasnya \( 13 \% \)

\( \left. \begin{array} { l } { 5,5,8,3,12,10,18,15,12,16,20,18,20,20,24,26,25,28,25,30 } \\ { \qquad \overline { x } = 17.15 } \end{array} \right. \)

09) O Desvio Padrão de um conjunto de dados é 9. A variância é: \( \begin{array}{llll}\text { 10) } \\ \begin{array}{lll}\text { a) ( ) } 3 & \text { c) ( ) } 81 & \text { b) ( ) } 36\end{array}\end{array} \)