Solve
Write the notations
Terms
Mean,Med,Mode
T/F
100
Write in expanded form and multiply:
7P3
(7)(6)(5) = 210
100
A stack of 40 movies includes the following types: 12 animated, 9 sci-fi, 8 documentaries, 6 action, 4 comedy and 1 mystery.
What is the probability of randomly selecting an animated or a mystery?
P(animated) + P(m)
100
The probability of a(n) ________________________ event is 0.
impossible
100
Does an outlier affect the mean, mode, or median the most?
MEAN
100
This type of graph is called a dot plot.
true
200
A keypad only has the numbers 1-6.
What is the total number of possible outcomes if the code has 3 numbers? *******************
6P3
so (6)(5)(4) = 120
200
What is the probability of spinning a 3 or a 7?
P(3) + P(7)
200
What type of event is composed of two or more separate events? ******************
Compound Event
200
A baseball team had the following scores for the start of the season: 4, 2, 3, 0, 8, 1, 2, 6, 4, 3, 4, 1
What is the mean score of the baseball team?
38/12 = 3.2
200
The mode is 6.
False: it's 1
300
Jar A contains the 7 letters in the word science.
Jar B contains the 10 letters in the word literature.
What is the probability of randomly drawing:
an i from Jar A, then an i from Jar B
P(i) x P(i)
(1/7) x (1/10) = 1/70
300
What is the probability of spinning a 9 and then a 1?
P(9) x P(1)
300
What type of events cannot happen at the same time?
Mutually Exclusive
300
A baseball team had the following scores for the start of the season: 4, 2, 3, 0, 8, 1, 2, 6, 4, 3, 4, 1
What is the median score of the team?
3
300
The sum of a group of probabilities should equal 1 (or 100%). ********************
true
400
A jar contains the 7 letters in the word science. What is the probability of randomly drawing:
a consonant, not replacing it, and then a vowel? **************************
P(con) x P(vowel after 1st draw)
P(4/7) x P(3/6) = 12/42 = 2/7
400
A stack of 40 movies includes the following types: 12 animated, 9 sci-fi, 8 documentaries, 6 action, 4 comedy and 1 mystery.
What is the probability of randomly selecting an action, not replacing it, and then a documentary? *********************
P(action) x P(doc after 1st draw)
400
TRIVIA: Take or pass (math trivia)
What is the branch of math that deals with shapes, measurements, points, lines, and angles?
400
What is the MODE for this list of class sizes?*********************
12, 10, 10, 12, 12, 12, 13, 14, 10, 12, 16, 12, 10, 12, 10, 13, 14, 18, 9, 10, 10, 15, 12,
12
400
Addition is used to find the probability of two events joined by “and”.
False, OR is addition
AND is multiplication
500
Jar B contains the 10 letters in the word literature.
What is the probability of randomly drawing:
an a from Jar B and then an e from Jar B without replacing the a
P(a) x P(e)
1/10 x 2/9 = 2/90 = 1/45
500
My bag contains 4 chocolates, 3 suckers, and 8 peppermints.
What's the probability of randomly drawing a chocolate, eating it, drawing another chocolate, eating is also, and then drawing a peppermint?
P(c) x P(c after 1st) x P(p after 2nd)
4/15 x 3/14 x 8/13
500
The branch of mathematics in which data is collected and studied.
Statistics
500
The test scores for the Chapter 8 test were:
100, 70, 74, 80, 85, 99, 92, 0, and 88.
1. Is there an outlier? If so, what is it?
2. Would the mean or median more accurately represent this data?
1. the 0 is the outlier.
2. Median, because the mean is sensitive to outliers.
500
An example of a dependent event is pulling candy out of a dish, eating it, then pulling out more candy, etc
TRUE!