Question

If a spinner has eight sections numbered 1 to 8, which of the following events are disjoint?

Event A: Spin a 3
Event B: Spin an even number
Event C: Spin a multiple of 3
Event D: Spin a number greater than 2

A) Events A and B
B) Events B and C
C) Events C and D
D) Events B and D

Answer 1

A) Events A and B

Explanation:

event a : 3

event b : 2,4,6,8

event c : 3, 6

event d : 3, 4, 5, 6, 7, 8, 9

Events A and B are disjoint