Chapter 4

Question 1

EPS

Answer 1

Calculator:
X is in decimals
Y is in whole number
2nd > 7
2nd Enter for V-1

Question 2

Variance

Answer 2

Calculator:
Ox

Question 3

Independent Events

Answer 3

Occurrence of one event does NOT change the probability of other event

Question 4

Dependent Value

Answer 4

Knowing the outcome of one event CHANGES the probability of another event occurring.

2 aces
4 cards that are aces
52 number of cards in a deck
This is the first selection, the second selection probability:
3 aces left
51 cards left
This depends if we got Ace on the first selection.

Question 5

Probability Tree

Answer 5

0.60 * 0.25 = .15

Question 6

Bayes Formula 1

Answer 6

Look at Note Examples