3A
Classify this as a theoretical or personal probability:
The probability that the school will call a snow day when it snows .75 ft
Determine whether the scenario involves independent or dependent events:
Jayden chooses between three entrees for lunch, then chooses between 4 sides.
Independent
I flip a coin twice. How many possible outcomes are there?
2*2=4
How many black eights are in a deck?
2
What state did I live in for 5 years?
Maine
Determine a potential trial and corresponding event for drawing cards from a deck.
Answers will vary
Determine whether the scenario involves independent or dependent events:
Jack draws a card from a deck, then draws another card without replacement.
I have a bowl in my apartment with 1 avocado, 1 apple, and 1 banana. I randomly pick two pieces of fruit. How many different outcomes are there? (We are assuming the order of fruit matters)
3*2=6
Find the probability:
You spin a spinner 1-6. It lands on a number that is less than 3.
2/6 or 33.3%
What sport(s) did I compete in during high school and college?
XC and Track & Field
What is the probability you draw a red king from a deck of cards?
2/52 or 3.8%
Find the probability this happens:
A coin lands heads up 10 times in a row.
1/(2^10) = 1/1024
Ms. Poulton and Mr. Olsen give three students candy during field day. They can choose between a green apple, a grape, or a blue raspberry jolly rancher. How many different ways can the three students pick candy?
3*3*3=27
If the probability something happens is 40%, what is the probability that it won't happen?
100-40 = 60%
Who in my family dressed up as Santa this year?
My sister
Answer depends on the day!
Find the probability this happens:
Someone in our class won the lottery and decides to randomly select two people in our class to give $10,000 dollars each. They select _______, then they select _______ .
Answers will vary!
Example solution:
(1/12)*(1/11) = 1/121
I'm buying a drum set, and it comes in 3 different sizes, 4 different colors, and I can get any combination of 5 optional features. How many possible outcomes (different drum sets) are there?
3*4*2*2*2*2*2 = 384
In the game show experiment we did at the beginning of the probability unit, what was the best option:
Stick or Switch?
(no stealing for this question)
Switch!
What car do I drive?
I need make and model.
an orange manual 2014 Subaru Crosstrek
What is the sample space for rolling a 20-sided die?
(write out the solution)
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,16, 17, 18, 19, 20}
Find the probability this happens:
You roll a dice three times. First you get an odd number, then an even number, then a number greater than or equal to 3.
(3/6)*(3/6)*(4/6) = 1/6 or 16.67%
I randomly select three students from those in class today and assign them roles of phone czar, bathroom queen, and homework lord. How many possible combinations of students could I choose?
Example: (teacher say example)
Depends on the number of people in class!
Ex: 13*12*11 = 1716 combinations
I have four coins in my pocket: 2 quarters and 2 nickels. I reach in and randomly pull our a nickel. But I wanted a quarter, so I try again and randomly pull out a quarter.
Note: I did not put the nickel back in my pocket.
(2/4)*(2/3) = (4/12) or 25%
Who was my top artist of 2024?
Bruce Springsteen