Question

Which of the following is a pair of events which are dependent on one another?
a.
observing rainfall in two different cities
b.
drawing a pair of cards from a deck
c.
putting on a pair of pants and a shirt without looking at them
d.
rolling two dice with the same number of sides


Please select the best answer from the choices provided

A
B
C
D

Answer 1

B

Drawing two cards from the same deck (without replacement) makes the events dependent: the first card drawn changes the composition of the deck and thus the probability distribution for the second card.