Unit Test — Cumulative exam Answers

Five students, Adriana, Ben, Chandra, Diana, and Ernesto, would each like one of the four spots at the regional science fair. Their names are placed in a hat, and four names are chosen at random to decide who attends the fair.What is the theoretical probability that Chandra will be chosen as one of the science fair participants?

All freshmen, sophomores, juniors, and seniors attended a high school assembly. The total student attendance is shown in the table.

Information about the students at Jackson High School is shown in the table.

Students in a class were surveyed about the number of children in their families. The results of the survey are shown in the table.

Patty, Quinlan, and Rashad want to be club officers. The teacher who directs the club will place their names in a hat and choose two without looking. The student whose name is chosen first will be president and the student whose name is chosen second will be vice president.Which choice represents the sample space, S, for this event?