Question: 2014 Fall Midterm - 15

Author: Michiel Smid

You flip a fair coin 5 times. Define the events $$ A = \text{“the number of heads is odd”} $$ and $$ B = \text{“the number of tails is even”} $$ Which of the following is true?

a) $\Pr(A) = \Pr(B)$

b) $\Pr(A) < \Pr(B)$

c) $\Pr(A) > \Pr(B)$

You flip a fair coin 5 times. Define the events

A = "the number of heads is odd"

and

B = "the number of tails is even".

Which of the following is true?

(a)

$\Pr(A) < \Pr(B)$

(b)

$\Pr(A) > \Pr(B)$

(c)

$\Pr(A) = \Pr(B)$