Some of these are conditional probability problems and some of them arenít.   Watch out!

You draw ONE card from a well-shuffled 52 card deck.  Find the theoretical probability that the card is

1.  a heart
2.  a heart if you know  that it is a red card
3.  a red card
4. a red card if you know that it is a heart
5.  a king
6.  a king if you know that it is a face card (king, queen or jack)
7.  an ace
8.  an ace if you know that it is a heart
9.  the ace of hearts
10.  a heart if you know that it is an ace
11.  a spade if you know that it is a red card
12.  a heart or a face card
13.  a heart and a face card
 
 

Primar Career Motivation

	Money	Allowed to be Creative	Sense of Giving to Society	Total
Male	15	22	18	55
Female	10	15	20	45
Total	25	37	38	100

If a student is to be selected at random, find the probability that the student selected will be

1.  female
2.  motivated primarily by creativity
3.  not motivated primarily by money
4.  male and motivated primarily by money
5.  male, given that the primary motivation is a sense of giving to society
6.  motivated primarily by money or creativity, given that the student is a female
7.  female, given that the motivation is not money
 

ANSWERS