Probability
Odds in Favor
Odds Against
Odds/Probability
Do you know Mr. Giordano?
100

P(consonant from the alphabet)

21/26

100

OF (a prime number from a die)

2/5

100

OA (choosing a vowel in the capital of Massachusetts)

4/2 reduces to 2/1

100

If your odds in favor are 2/29, what are the odds against?

29/2

100

What city do I live in?

Wakefield

200

P (selecting a queen from a deck of cards)

4/52 reduces to 1/13

200

OF (day of the week with a "y" in it?

7/0

200

OA (a prime number from 1-25)

17/8

200

If the probability is 45/61, what is the odds in favor?

45/16

200

Who is my favorite Disney character?

Goofy

300

P (even number from 1-25)

12/25

300

OF (month of year that is two syllables)

3/9 reduces to 1/3

300

OA (choosing a "Diamond" from a deck of cards)

39/13 reduces to 3/1

300

If the odds against is 12/5, what is the probability?

5/17

300

What is my favorite mixed number?

9 3/4

400

P (selecting a letter before "J" in the word "Mathematics)

5/11

400

OF (male teacher in the Arrupe Math department)

2/2 reduces to 1/1

400

OA( a US state with a "Z" in the name"

49/1

400

If the probability is 19/34, what is the odds against?

15/19

400

What is the name of my dog?

Rocky

500

P (selecting a US state starting with a vowel)

12/50 is reduced to 6/25

500

OF (a perfect number from 1-100)

10/90 reduces to 1/9

500

OA (a month of the year with less than 5 letters)

9/3 reduces to 3/1

500

If your probability is 12/51, what is the odds in favor?

12/39 reduces to 4/13

500

What is my favorite Easter candy?

Cadbury Eggs