Probability
Statistics
Factoring
Vocabulary
Miscellaneous
100
What is the dichotomous opposite (complement) of an event happening at least once?
The event never happens.
100
In which color bin would the value of 20 go?
green
100
Factor completely:
12x2 - 14x
2x(6x - 7)
100
A list of all possible outcomes for an event is its _________ __________.
sample space
100
Write the solutions of the statement in interval notation:
x < 6 and x < 10
(-oo,6)
200
How many results are possible when tossing 2 dice and 3 coins, then spinning a spinner with 10 congruent sections twice?
(6)2(2)3(10)2 = 28,800 outcomes
200
Give the 5 values used to make a box-whisker plot for this data:
17, 25, 27, 29, 34, 36, 36, 39, 42, 43, 48, 49, 51, 52, 53, 55, 55, 59, 62, 68, 70, 75, 78
17, 36, 49, 59, 78
200
Factor completely:
x2(a+b) - 10(a+b)x + 16(a+b)
(a+b)(x - 8)(x - 2)
200
Which statistic states the data's most-often appearing value(s)?
mode
200
What is the dichotomous opposite (complement) of an event always happening?
At least once, it doesn't happen.
300
What is the probability of rolling two dice and getting a sum of 8?
5/36
300
How many people fit in the [60,90) interval?
4
300
Factor completely with all positive exponents:
64x^3 - 9xy^-2
x(8x + 3/y)(8x - 3/y)
300
A __________ shows frequency on one axis and interval categories, or bins, on the other axis.
histogram
300
Write the equation of a horizontal line through (-2, 11)
y = 11
400
What is the probability of tossing a coin 5 times and getting at least one head?
31/32
400
What is the interquartile range for this data?
12, 15, 2, 7, 19, 23, 29, 18, 25, 30, 10
15
400
Factor completely:
12x2 - 6x - 6
6(2x + 1)(x - 1)
400
Events which cannot happen at the same time are ___________.
Events whose probabilities don't affect each other are ______________.
disjoint, independent
400
Find (-x)-3 if 2(x + 5) - 8 = -7x - 16
1/8
500
Lola is taking 5 dance classes and will be randomly matched with one of 13 available partners each time. She has a crush on 3 of the partners. Write an expression for the probability that she will dance with a crush at least once. No need to simplify.
1-(10/13)^5
500
A research and development team has assigned the following weights for testing video games before their release, and gives ranking in each category of 1-10.
Educational Value: 4
Entertainiment Value: 3
Ease of play: 2
A new game, "Quadratic Formula Adventures", has earned scores of 10, 6, and 3 in these categories, respectively. What is the game's overall average score? Answer as a decimal rounded to the nearest tenth.
7.1
500
Factor completely:
15x4 - 17x3 - 4x2
x2(5x + 1)(3x - 4)
500
Two events which are mutually exclusive and exhaustive (one occurs if and only if the other doesn't) and have probabilities with a sum of one are ________________.
complementary
500
In a spirograph with a 96-tooth ring and 56-tooth wheel, how many trips around the ring will it take before the design is complete?
7