What are the odds?
Basic probability
Geometric probability
Deck of cards
to replace or not?
100

What are the odds of rolling a 4 on a 6-sided number cube?

1:5

100
An event has a 38% chance of happening.   What the probability that the event happens in fraction form?

19/50

100

A 7 foot by 12 foot car is in a parking lot that is 80 feet by 120 feet.   If a satellite randomly falls out of orbit and lands in the parking lot, what's the probability it lands on the car?  (reduced fraction form)

7/800

100

A random card is drawn from a normal deck of card, find P(jack)

1/13

100

 A bag contains 4 red, 6 green and 2 white marbles.  If 2 marbles are drawn without replacement, find the probability that both are red. 

1/11

200

What are the odds of randomly choosing a letter of the alphabet and it being a vowel?

5:21

200

A spinner with the numbers 1-7 on it is spun 1 time, find P(even).

3/7

200

A dartboard has a radius of 2 feet and the bullseye has a radius of .16 feet.  If you randomly throw and hit the dartboard, what's the probability of hitting the bullseye?

4/625

200

A random card is drawn from a normal deck of cards, find P(face card)

3/13

200

A bag contains 4 red, 6 green and 2 white marbles.  If 2 marbles are drawn with replacement, find the probability that both are green. 

1/4

300

If the odds of an event are 4:7, what is the probability of winning that event?

4/11

300

A standard 6-sided die is rolled one time, find P(#>4)

Use fraction form.

1/3

300

A rectangular table is 7 feet by 6 feet.  It has 3 small circles on it that have a radius of .5 feet.    If you throw a coin onto the table, what's the probability that it lands on a circle?  (use 2 decimal places)

.06

300

A random card is drawn from a normal deck of cards, find P(even black card)

5/26

300

A bag contains 4 red, 6 green and 2 white marbles.  If 2 marbles are drawn without replacement, find the probability of getting red then green.

2/11

400

If the probability of an event happening is 68%, what are the odds of that even happening?

17:8

400

In your pocket you have 5 pennies, 10 nickels, 15 dimes, and 20 quarters.   If a coin is randomly chose, what's the probability that it's not a dime?

(use fraction form)

7/10

400

A circle is inscribed in a square that is 8 feet wide.  If you land on a random spot in the square, what's the probability that you are in the circle?  (use 2 decimal places)

.79

400

A random card is drawn from a normal deck of cards, find P(red factor of 24)

5/26

400

If 2 cards are drawn from a deck and not replaced, find the probability of getting 2 lettered cards.

20/221

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