What is the probability of an event that MUST occur?
1 or 100%
Mutually exclusive events are separated by what word?
"or"
What is the definition of independent events?
Are we adding or multiplying when finding the probability of dependent events?
Multiplying
What is the mode?
The data point that repeats the most
What is the probability of spinning and landing on red
1 out of 8
What operation is used to find the probability of a mutually exclusive event?
addition
True or False.
In independent events, you do not have to REPLACE when finding probability?
False
True or False.
In dependent events, you do not REPLACE when finding probability?
True
What is another name for mean?
The average
What is the sum of all probabilities.
1 or 100%
What is the probability of spinning a yellow or blue?
5 out of 8
Use the spinner on the right, what is the probability of spinning a blue area and then an even number?
3 out of 16, not reduced is 12 out of 64
In a deck of 52 cards, what is the probability of choosing a face card, not replacing it and then choosing a 4?
4 out of 221
When is it best to use the median?
When there are outliers
What is the probability of an impossible event?
0
Can mutually exclusive events happen at the same time?
NO
In a deck of 52 cards, what is the probability of choosing an ace and then a spade?
1 out of 52
Jar A contains the 8 letters in the word Colorado. Jar B contains the 11 letters in the word Connecticut. What is the probability of randomly drawing an n from Jar B and then drawing a t from Jar B without replacing the n?
2 out of 55
Find the mean, median, and mode of the data. Round to the nearest tenth if needed.
1, 3, 1, 5, 5, 6, 2, 1, 8
Mean= 3.6
Median: 3
Mode: 1
In a deck of 52 cards with no jokers, what is the probability of choosing red cards 3 through 7?
10 over 52, which can be reduced to 5 over 26.
Jar A contains the 8 letters in the word Colorado. Jar B contains the 11 letters in the word Connecticut. What is the probability of randomly drawing an n or a t from Jar B
4 out of 11
Jar A contains the 8 letters in the word Colorado. Jar B contains the 11 letters in the word Connecticut. What is the probability of randomly drawing an o from Jar A, then an o from Jar B?
3 out of 88
Jar A contains the 8 letters in the word Colorado. Jar B contains the 11 letters in the word Connecticut. What is the probability of randomly drawing two vowels from Jar A without replacing the first ?
3 out of 14
Find the mean, median, and mode of the data. Round to the nearest tenth if needed.
* Double points if you can name the outlier(s)
65, 32, 66, 61, 61, 65, 66, 62, 78, 63
Mean= 61.9
Median= 64
Mode= no mode
Outliers= 32, 78