3
cargo-king, and, Dude-city. Drof Inc's SUVs come with tires that are sometimes made
by a company, Enot Serif. Drof announced that 25% of their SUVs that have been sold are All-terrains, 35%
are Bumpy-roads, 35% are Cargo-king, and, 5% are Dude-city. Also announced is the fact that 45% of All-
terrains use Enot Serif tires, 65% of Bumpy-roads' use Enot Serif tires, 65% of Cargo-kings use Enot Serif
tires, whereas none of the Dude-city SUVs have Enot Serif tires. Given below are events:
A = SUV made by Drof is All-terrain,
B = SUV made by Drof is Bumpy-roads,
C = SUV made by Drof is Cargo-king,
D = SUV made by Drof is Dude-city, and
E = SUV made by Dorf uses Enot Serif tires.
What is the probability that a randomly selected Drof SUV will be a Cargo-king and have Enot Serif tires?
-0.2275
What is the probability that a randomly selected Drof SUV will have Enot Serif tires?
0.455
You go to a used-tire store and pick up an Enot Serif tire. The salesman said that it was used on a Dorf SUV.
What is the probability that the Dorf SUV was an All-terrain (remember you are GIVEN that the Dorf SUV
had an Enot Serif tire)?
0
What fraction of Dorf's SUV's do not have tires made by Enot Serif?
0.545