Miscellaneous 1
Miscellaneous 2
Compound Probability
Counting
Two Way Frequency Tables
100
Mrs. Leeper pulled out cards from a 52-card deck one at a time, and recorded the results. What is the experiment probability that the next card she pulls is hearts?
1/4 or 25%
100
the probability that two or more events will occur
compound probability
100
A bag of marbles contains 8 red, 9 blue, 7 yellow, and 3 green. You pull out one marble. Find P(red or yellow)
5/9 - 56%
100
A hiker has 2 pairs of hiking shoes, 3 different shirts, and 2 different pairs of shorts to choose from. How many different hiking outfits do they have?
12
100
Find the probability that a randomly chosen student is a high schooler who does not eat breakfast.
7/25 - 28%
200
events that cannot occur at the same time
mutually exclusive
200
the probability that an event will occur, given that another event has already occurred, or is assumed true
conditional probability
200
You spin this spinner once. What is the probability that it will land on A and D?
0
200
A basketball coach will choose 5 players from a group of 8 players to represent them at a pep rally. How many different groups of players are possible?
56
200
Find P(elementary student | eats breakfast)
19/30 - 63%
300
On a winter day, there is a 32% chance that it will snow 1 inch, a 45% chance that it will snow 3 inches, and a 21% chance that it will snow 5 inches. How many inches of snow should we expect?
2.72 inches
300
Three playing cards are randomly chosen and arranged from a set numbered from 1 to 7. What is the probability that a 1, then 2, then 3 are drawn?
1/210 - 0.5%
300
Find the probability of rolling an odd number on a die, then an even number, then a prime number.
1/8 - 13%
300
Mrs. Leeper needs to choose 3 students from a class of 20 to run some errands: one student will be going to the office, another student will be dropping something off to a teacher, and the third student will be picking up a package. How many ways can she assign these jobs to 3 students?
6840 ways
300
Find the probability that a randomly chosen student does not have a car given that they have a license.
24/67 - 36%
400
A club of 30 students is electing a president, vice president, and secretary. What is the probability that you and your two friends get elected to these positions?
3/12180 - 0.02%
400
State which policy she should choose, and the difference in costs between the two.
Economy - $125 difference
400
A bag of tiles contains all the letters of the alphabet. You take out a tile, and without putting it back, pull out another. What is the probability of pulling out 2 vowels in a row?
(Include "y" as a vowel)
3/65 - 5%
400
You are able to choose a 4 letter or digit code for your login at a job. Letters and digits can repeat. How many different 4 digit/letter codes are possible?
1,679,616
400
Find P(does not have a license | does not have a car)
29/53 - 55%
500
In a game, you occasionally have the choice to gamble your money by spinning a wheel that has the following spaces: 2 $100, 5 $50, 3 $0, 3 $150, and 2 $300. You have to "pay" $100 to spin the wheel. What is the expected value of playing this mini game?
$0
500
At Tucson Raceway Park, your horse, Soon-to-be-Glue, has a probability of 1/19 of coming in first place, a probability of 2/19 of coming in second place, and a probability of 5/19 of coming in third place. First place pays $4,500 to the winner, second place $3,500 and third place $1,500. Is it worthwhile to enter the race if it costs $500? Support your answer.
Yes, the expected value is +$500
500
You spin the spinner once. What is the probability that it lands on a vowel or a letter from the word BAND?
3/4 - 75%
500
A lottery drawing chooses 5 numbers from a pool of 30. If your 5 numbers are drawn, in any order, you win a prize basket. What is the probability that you win the basket?
1/142506 or %0.0007%
500
How many female students took chemistry?
15