Check Your Understanding, page 344:
1. We are looking for the probability that the student gets either an A or a B. This probability is
0.42 + 0.26 =
2. We are looking for P ( X < 2 )= 0.02 + 0.10= 0.12.
3. This histogram is le
. _, “Mac.
6 AP .‘StatiStiCS PRACTI'CE Test
Sécti'on‘l: Multiple Chome Select the best answer for each question.
Questions T61 and T62 refer to the following setting. A !T6.1.5What is the probability that a randomly'chosen sub:
psychologist studied the
G) On; (Radian
Quiz 6.1A AP Statistics Name:
1. The probability distribution below is for the random variable X = number of mice caught in
traps during a single night in small apartment building.
(a) Make a histogram of this probability distri