Cards
Tables
Permutations and Combinations
Compound Probabilities
Grab Bag
100
What is the probability of drawing a face card? (Jack, Queen, King)
12/52
100
Given Cats, what is the probability of selecting male?
20/45 = .444
100
P or C?
1. Choosing 3 students for a committee
2. A locker code.
3. Choosing who bats 1st, 2nd, and 3rd in a lineup.
C, P, P
100
P(alarm works) = 0.92
Find P(alarm does NOT work)
0.08
100
How many possible outcomes if I roll a single die 3 times?
216
200
You draw one card. What is the probability it is NOT a king?
48/52
200
What is the probability of selecting a dog at random given male?
30/50 = .6
200
Evaluate
28
200
You flip a coin twice. What is the probability you get heads both times?
1/4
200
A restaurant has 4 entrees, 3 sides, and 5 drinks. How many different meals?
4 x 3 x 5 = 60
300
What is the probability of drawing a 5, 10 or K from the deck?
12/52
300
A transportation survey was given at school.
What is the probability of a walking or taking the bus given student?
85/100
300
Evaluate
990
300
A bag has 8 green and 4 yellow marbles. Draw 2 without replacing.
P(green first, then yellow)
32/132 = 8/33 = 0.242
300
Numbers 1 - 10 are written on slips. Draw 2 one at a time without replacing. Find P("3" first, then a "7" second, in that exact order)
1/90
400
What is the probability of drawing a Red Face card?
6/52 = 3/26
400
0.25
400
A store has 6 boxes of regular chips and 4 boxes of BBQ. You pick 2 boxes of chips randomly. What the probability you get 2 BBQ boxes?
2/15 = .133
400
P(Wifi Works) = 0.90
You connect 7 times a day.
Find P(at least one failure)
0.522
400
A bag has 12 marbles numbered 1 - 12. You grab 3 at once. Whats the probability you grab a 4, 9, and 11?
1/220
500
What is the probability of drawing a number card that is black?
18/52 = 9/26
500
Pick one customer at random. P(bought 7-12 snacks or fewer than 4 snacks)?
.63
500
10 students. Teacher picks a speaker and a recorder randomly.
P(Alex is the speaker and Andre is the recorder)
1/90
500
A player misses 15% of his free throws. He shoots 6.
What is the probability he misses at least once?
0.623
500
You draw a random card from the deck. What is the probability of drawing an even-numbered card from the deck?
20/52 = 5/13