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Duplicate of Probability Review
Duplicate of Probability Review
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Unit 6 Probability Review
Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
When an item is taken out and NOT REPLACED, the following event is...
Unrelated
Dependent
Independent
Unaffected
2
A coin is tossed and a dice is rolled. What is the P( heads and rolling a 3)?
1/8
1/12
1/6
1/24
3
What is the P(3, then 7)
1/24
1/8
1/16
1/64
4
Natalie guessed on 3 MC questions, with 4 choices each. What prob. she got all 3 correct?
1/4
1/16
1/256
1/64
5
Which color the experimental = theoretical probability?
Blue
Red
Green
Yellow
6
A die rolled, & a letter in "STATISTICS" selected. What is prob. of at least a 3, & letter S?
3/20
29/30
1/4
1/5
7
What is the probability of spinning a 3?
1/16
3/8
1/2
1/8
8
A month is randomly selected. What is prob of getting a month with exactly 31 days?
1/2
5/12
7/12
1/3
9
Friends: 28% take dance, 32% take singing, & 8% take both. Prob. given a singer, take dance?
7/8
1/4
28/32
2/7
10
A coin is tossed 30 times, lands heads 17 times. What is the prob. coin lands on tails?
8/15
17/30
1/2
13/30
11
In theory, the P(yellow marble) is:
1/3
1/2
1/6
1/5
12
A card selected randomly from std. deck, what is prob. that it is a face card?
10/13
4/13
9/13
3/13
13
What is P(quarter) in a bag with 7 pennies, 5 nickels, 10 dimes, and 3 quarters?
3/25
7/25
1/25
1/3
14
If Clark has 50 jelly beans, and 20% are green, how many are green?
25
5
10
20
15
If you take a piece of candy and eat it, the next event is...
Yummy
Unrelated
Independent
Dependent
16
Rolling a die and tossing a coin are always considered...
Dependent Events
Independent Events
Related Events
Random Events
17
Green Legos: 2, Red: 3, Yellow: 3, Blue: 2, Grey: 1. P(green, not replacing, then green again)?
2/11 x 1/10
2/11 x 1/11
2/11 x 1/5
2/2 x 1/2
18
What is the probability of grabbing the blue marble, not replacing, then grabbing the green?
1/5 x 1/5 = 1/25
1/4 x 1/4 = 1/16
1/5 x 1/4 = 1/20
1/5
19
The probability of winning a free lunch is 8%. What is this probability written as a ratio?
1/8
1/80
4/5
2/25
20
What is the experimental probability of heads?
26/50
50%
25/50
24/50
21
If I get 18 out of 24 questions right on a test, what is my score?
75%
80%
60%
50%
22
The probability that you will pass the Unit 3 test is:
Absolute
32/32
100%
1
