Math 157 Math for Elementary Teachers II

1. If a single letter is drawn from the set what is the probability that the letter drawn is a member of the set ?

SOLUTION

4 / 8 0.5

In Exercises 3-8, consider the experiment of rolling a single die.

1. What is the probability of rolling a number that is divisible by 2 or 3?

SOLUTION

Numbers divisible by 2 or 3: {2, 3, 4, 6}

P{divisible by 2 or 3}: 4 /6 2/3

In Exercises 9-16, consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event.

1. A card that is not a king and not a spade is drawn.

SOLUTION

(52 - 4 - 12) / 52 36 / 52 9 / 13

In Exercises 17-20, consider a...