Determine the number of outcomes that comprise the specified event.
-The number of hours needed by sixth grade students to complete a research project was recorded with the following results. $\begin{array}{cc}
\text { Hours } & \text { Number of students (f) } \
\hline 4 & 15 \
5 & 27 \
6 & 23 \
7 & 13 \
8 & 10 \
9 & 5 \
10+ & 5
\end{array}$

A student is selected at random. The events $A$ and $B$ are defined as follows.
$A =$ the event the student took at most 8 hours
$B =$ the event the student took at least 8 hours
Determine the number of outcomes that comprise the event (A & B).
A)10
B) 20
C) 111
D) 98

Question

Determine the number of outcomes that comprise the specified event.
-The number of hours needed by sixth grade students to complete a research project was recorded with the following results. $\begin{array}{cc}
\text { Hours } & \text { Number of students (f) } \
\hline 4 & 15 \
5 & 27 \
6 & 23 \
7 & 13 \
8 & 10 \
9 & 5 \
10+ & 5
\end{array}$

A student is selected at random. The events $A$ and $B$ are defined as follows.
$A =$ the event the student took at most 8 hours
$B =$ the event the student took at least 8 hours
Determine the number of outcomes that comprise the event (A & B).  
A)10
B) 20
C) 111
D) 98

Quizplus · Accepted Answer

Event A (at most 8 hours) includes students who took 4, 5, 6, 7, and 8 hours. Event B (at least 8 hours) includes students who took 8, 9, and 10+ hours. The intersection of A and B (A & B) is the number of students who took exactly 8 hours, which is 10.

Determine the Number of Outcomes That Comprise the Specified Event