In a fifth grade class there are 12 girls and 10 boys. What is the probability of choosing a girl from the class?
10/22
12/10
12/22
11/13
What are the odds of drawing a face card from a ordinary deck of cards?
12 to 40
16 to 36
40 to 12
12 to 52
You play a dice game inwhich you roll a pair of dice. If you get paid the sum of the numbers in dollars that appear on the dice, what is the expected value of the game? (make it in correct number form, with dollar sign) (HINT: long calculation.)
If the previous game cost $8 to play, is that game fair?
Yes
No
Not enough Information
If the probability of having a boy is 1/2, and a family plans to have 4 children what are the odds against having all boys?
1 to 15
12 to 3
2 to 4
15 to 1
If the odds against jane winning first prize in a hot dog eating contest are 3 to 5, what is the probability that she will win first prize?
If the probability that there will be a tornado for the day is 60%, what are the odds against a tornado?
4 to 6
3 to 2
6 to 4
1 to 3
What are the odds in favor of tossing at least two heads, if a fair coin is tossed three times?