Measures of Center
Measures of Variability
Probability: Simple Events
Theoretical vs Experimental
Probability: Compound Events
7th Grade Math Review
100
What is another word for mean?
Average
100
The lettes IQR stand for:.
Interquartile Range: UQ - LQ
100
Find P(heads) when flipping one coin.
P(heads) = 1/2 or 50%
100
What is theoretical probability?
What you would expect to occur; what should occur if you conduct a probability experiment.
100
A coin is flipped 4 times. How many outcomes are there?
16
100
What is a decimal equivalent of the fraction 8/15
0.53333333333.....
200
What is the mode?
The data value that occurs most frequently.
200
How do we find the range?
Largest value - smallest value
200
The probability of rolling a 5 on a 20-sided die is 5%. Is this outcome impossible, unlikely, 50-50, likely, or certain?
Unlikely
200
What is experimental probability?
What actually occurs during a probability experiment.
200
A coin is flipped twice, and a number cube is rolled twice. How many possible outcomes are there?
144
200
Difference between Area and perimeter?
Area is inside - perimeter is " around" polygon
300
The Lower quartile is located where?
Middle of the small numbers
300
Find the range of this data set.
2 5 2 1 4 5 7 4 2 2 1
range = 6
300
Find P(3 or 4) when rolling a standard 6-sided number cube.
P(3 or 4) = 1/3 or "about"" "33.3%
300
Probability we roll a number < 4 on a standard game cube?
50% = 3/6 = 1/2.
300
A coin is flipped 4 times. What is the probability of flipping 4 heads in a row?
P(headstimes4)=1/16 or 6.25%
300
What value is always used when dealing with circles?
Pi = 3.14....
400
Find the mean of this data set:
1 1 2 3 4 4 4 5
mean = 3
400
Find the IQR of this data set.
2 5 2 1 4 5 7 4 2 2 1
IQR = 3
400
Find P(ace) when drawing a card from a standard deck of cards.
P(ace) = 1/13 or 7.7%
400
Out of a similar group of 425 visitors to a science museum, predict how many would choose the planetarium as their favorite exhibit.
We would expect about 68 people to say the planetarium is their favorite.
400
A coin is flipped, a 20-sided die is rolled. How many outcomes are there?
40
400
The distance from the center of a circle to the edge:
Radius
500
Find the median of this data set.
2 5 2 1 4 5 7 4 2 2 1
median = 3
500
Find the mode of this data set.
2 5 2 1 4 5 7 4 2 2 1
Mode = 2
500
In the RAMS ticket drawing, 35 tickets are from PB's 1st hour, 103 tickets are from PB's 2nd hour, 201 tickets are from PB's 5th hour, and 358 tickets are from PB's 3rd hour. If Nick submitted 55 tickets, what is the probability his name gets picked?
P(Nick) = 55/697 or 7.9%
500
Based on the table, if you choose an adult at random, what would be the probability that they would prefer to pay bills online?
P("online")=9/40 or 22.5%
500
A coin is flipped, a 20-sided die is rolled. What is the probability of flipping a heads and rolling an even number?
P("...that") = 1/2 x 1/2 = 1/4 = 25%
500
The distance all the way across a circle - thru the center
diameter