Given that
, it has PDF
and thus CDF
The 25th percentile is the value
such that
. We have
Answer:
y2-y1/x2-x1
Step-by-step explanation:
7-9/-8-8
-2/-16
1/8
Probability = 1/4, or 25%
The probability of rolling an even number on a die: 1/2
(1, 2, 3, 4, 5, 6; 3 are even numbers, 3/6 = 1/2)
The probability of flipping heads: 1/2
(heads or tails)
1/2 x 1/2 = 1/4