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Probability Review Flashcards | StudBud
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Probability Review
Probability Review
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StudBud Administration
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26 plays
Year 7 Ch 5
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
Which of the following events has the same probability as rolling an odd number on a fair 6-sided die?
Rolling a number greater than 4 on a fair 6-sided die
Tossing a fair coin and getting heads
Choosing a vowel from the word CAT
Choosing the letter T from the word TOE
2
Mary tossed heads five times in a row on a fair coin. What is the probability that she will get a head on the next toss?
\frac{1}{2}
1
0
less than \frac{1}{2}
3
A fair 6-sided die is rolled 600 times. What is the expected number of times that the number rolled is either a 1 or a 2
300
100
200
400
4
A die is rolled and the spinner is spun. What's the probability that the die will show the same number as the spinner?
\frac{1}{18}
\frac{1}{36}
\frac{1}{2}
\frac{1}{6}
5
A coin is tossed 3 times. What is the probability of obtaining at least 2 tails?
\frac{3}{8}
\frac{1}{2}
\frac{2}{3}
4
6
The letters of STATISTICS are placed on 10 cards. What's the probability that a randomly drawn card will be a vowel?
0.5
0.3
0.4
0.2
7
Each letter of the word APPLE is written separately on five cards. One card is chosen at random. What is
P
(letter P)?
0
0.4
0.5
0.2
8
When a fair die is rolled, what is the probability that the number is even but not less than 3?
\frac{1}{6}
\frac{1}{3}
0
\frac{1}{2}
9
In an experiment, 12 of 100 trials gives a positive result. What's the experimental probability of a positive result?
\frac{12}{111}
\frac{11}{100}
12
\frac{3}{25}
10
Based on the survey, what is the experimental probability that a randomly selected student is learning the guitar?
\frac{1}{4}
\frac{3}{5}
\frac{3}{20}
3
