STATS 426 Lecture 2: Chapter 2

Which of the following is correct about a probability distribution?

a.) The sum of all possible outcomes must equal 1.0

b.) The outcomes must be mutually exclusive.

c.) The probability of each outcome must be between 0.0 and 1.0.

d.) All apply.

6. Which of the following Java expressions have a value of 0. (A) (int)1.0 / 2 (B) "1.0 / 2.0" (C) 1.0 / 2.0 (D) 1 / 2.0 (E) (double) (1 * 2)

15. Which of the following Java expressions has a value of 0? I. II. III. IV. 1.0/2 (int) 1.0 / 2.0 (int) 1.0 / 2 (int) (1.0 / 2) (A) II and IV. (B) III. (C) II. (D) II, III, and IV. (E) III and IV.