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Duplicate of Duplicate of Probability, Statistics & Algebra Flashcards | StudBud
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Duplicate of Duplicate of Probability, Statistics & Algebra
Duplicate of Duplicate of Probability, Statistics & Algebra
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Probability & Statistics
Flashcards
14 cards
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Practice quiz
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Questions
14
Answers
1
What is the probability of landing on blue?
1/2
1/3
2/3
1/4
2
4x + 8 = -12
x = 4
x = -4
x = -5
x = -2
3
What is the probability of rolling a number less than 4 in a six sided die?
45%
60%
40%
50%
4
Which of the following is a random sample?
Survey in which boys and girls are asked questions
Survey in which soccer players are asked questions
Survey in which every 4th student is asked questions
Survey in which all students were asked questions.
5
What is the probability of landing on green or yellow?
4/8
.133333
1/3
4/12
6
What is the probability of landing on red or green?
71.5%
62.5%
45.5%
.625
7
Solve for w: 2(5x - 4) = 6(2x + 1) + w
w = -2(x + 7)
w = 3x - 10
w = -2x - 14
w = -10x - 4
8
What is the probability of landing on yellow?
1/12
2/12
8%
1/6
9
Which of the following is the most reliable way to determine policy positions of 1000 people?
Survey the strongest personalities in the group
Survey 500 people
Survey a random selection of people
Survey boys and girls with a high school diploma
10
What is the probability of rolling a 6 in a six sided die?
1/6
3/6
1/2
6/6
11
Solve for W: 3(x + 2) = 2(x -4) + w
w = -2x + 7
w = x - 2
w = x + 14
w = 2x -10
12
What is the probability of rolling a 1, 2, 3 or 4 in a six sided die?
.6666666667
.33333333
.133333
33.3%
13
Combine like terms: 5x + 10 - 4x + 4 - 8 + 4
x + 10
2x - 8
2x + 12
x - 8
14
What is the probability of landing on red or blue?
2/3
3/4
.33333
25%
