Vocabulary
______ Probability is about the event that could happen.
Theoretical
Rolling a 3 from a 6-face die
1/6
At Mcdonald's, 3 of the last 10 sundaes sold were caramel. Considering this data, how many of the next 20 sundaes sold would you expect to be caramel?
6
Find the Minimum:
2,4,7,9,3,5,1
1
7+x=10.5
3.5
_______ probability is about the event that actually happened.
Experimental
Pointing at red when you spin a spinner with equal sections of yellow, blue, and red.
1/3
You want red from a spinner with equal sections of red, yellow, and green. How many times of red sections can you predict to get if you spin 27 times?
9
Find the median:
2,4,7,9,3,5,1
4
Solve the proportion:
15/60=x/80
20
Likely
Probability of winning a tic tac toe
1/3 (Win, Tie, Lost)
A garden store recently sold 60 seed packets, including 15 tomato seed packets. Considering this data, how many of the next 90 seed packets sold should you expect to be tomato seed packets?
about 23 packets
Find the 1st quartile:
2,4,7,9,3,5,1
2
Solve:
-2x-6=8
-7
What is the likelihood of "getting a red marble from a bag with 7 green marbles and 10 red marbles"
Probability of getting a red marble from 7 green, 8 red, 3 yellow, and 5 blue marbles.
8/23
In the last hour, there are 6 adult visitors to the zoo with 2 kids, 18 adult visitors with no kids, and 7 adults with 1 kid. Predict how many adult visitors bring no kid to the zoo if 100 more visitors are coming.
58 visitors with no kids.
Find the Interquartile Range (IQR):
2,4,7,9,3,5,1
5
Solve:
5(6+2x)=10
-2
What is the word in the probability that describes all possible results?
Outcomes
Probability of getting a red or blue marble from 7 green, 10 black, 1 red, 2 blue and 3 yellow marbles.
3/23
A factory robot recently examined some bulbs, of which 10 were flawed and 25 were not. Considering this data, how many flawed bulbs would the robot be expected to find in a batch of 95 bulbs?
27 flawed bulbs
If the mean of this set is 7, what is the missing number?
2,4,7, __, 1
21
How much do you pay if the item is 15% off $500?
425