Terms
What type of event is composed of 2 or more separate events?
compound
A stack of 40 science flashcard includes a review card for each of the following: 15 insects, 10 trees, 10 flowers, 5 birds,
What is the probability of randomly selecting an insect?
15/40 = 3/8
What should the total always be for a relative frequency table?
1
Scores: 3,6,2,1,2,3,0,4,5,1,5,4
What is the man score of the hockey team?
36/12 = 3
The sum of a group of probabilities should be equal to 10.
False - 1
What is the name for a small portion of the population being surveyed?
sample
A stack of 40 science flashcard includes a review card for each of the following: 15 insects, 10 trees, 10 flowers, 5 birds
What is the probability of randomly selecting a bird?
5/40 = 1/8
Show frequency table. Find the relative frequency table value for Business.
10/50 = 0.2
3,6,2,1,2,3,0,4,5,1,5,4
3
The probability of impossible event is 0.
True
What is the probability of an event that MUST occur?
1 or 100%
A stack of 40 science flashcard includes a review card for each of the following: 15 insects, 10 trees, 10 flowers, 5 birds
What is the probability of randomly selecting a tree or a flower?
20/40 = 1/2
Show frequency table. Find the total for the frequency table.
50
What is the mode of the data?
3,6,2,1,2,3,0,4,5,1,5,4
no mode
The median is the data value that occurs most often.
False - mode
What is the probability notation for choosing a red disk?
P (red)
A stack of 40 science flashcard includes a review card for each of the following: 15 insects, 10 trees, 10 flowers, 5 birds
What is the probability of randomly selecting a bird and then an insect?
3/64
Show frequency table. Find the relative frequency table value for Large.
.4
Average
An outcome is a data value that is far above or below the rest of the data values.
False - outlier
What is the probability notation for choosing a blue disk or a green disk?
P (blue or green)
A stack of 40 science flashcard includes a review card for each of the following: 15 insects, 10 trees, 10 flowers, 5 birds
3/32
Explain what a relative frequency table is.
**varied response.
What is ranked data?
False