Use These Tables to Answer Questions 5 and 6

Multiple Choice

Use these tables to answer questions 5 and 6.
$\begin{array}{c}\begin{array}{|l|}\hline\text { Single Item Sets }\\\hline\text { Magazine Promo = Yes } \\\hline \text { Watch Promo = No } \\ \hline\text { Life Ins Promo = Yes } \\\hline \text { Life Ins Promo = No } \\\hline \text { Card Insurance = No } \\\hline\text { Sex = Male }\\\hline\end{array}\begin{array}{c|}\hline\text { Number of Items }\\\hline 7 \\\hline 6 \\\hline 5 \\\hline 5 \\\hline 8 \\\hline 6 \\\hline\end{array}\\\\\end{array}$
$\begin{array}{c}\begin{array}{|l|}\hline\text { Two Item Sets }\\\\\hline \text { Magazine Promo = Yes \& Watch Promo = No } \\\hline \text { Magazine Promo = Yes \& Life Ins Promo = Yes } \\\hline \text { Magazine Promo = Yes \& Card Insurance = No } \\\hline \text { Watch Promo = No \& Card Insurance = No }\\\hline\end{array}\begin{array}{c|}\hline\text { Number of}\\\text { Items}\\\hline4\\\hline 5\\\hline 5\\\hline 5\\\hline\end{array}\end{array}$

-One two-item set rule that can be generated from the tables above is: If Magazine Promo = Yes Then Life Ins promo = Yes
The confidence for this rule is:

A) 5 / 7
B) 5 / 12
C) 7 / 12
D) 1