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Chapter 6.3 Binomial & Geometric Probability Review Flashcards | StudBud
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Chapter 6.3 Binomial & Geometric Probability Review
Chapter 6.3 Binomial & Geometric Probability Review
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basics of binomial probability#AP statistics
Flashcards
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Questions
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Answers
1
Which condition is
not
needed for a binomial distribution:
probability of success = .5
fixed number of trials
the probability of success is the same for each trial
only two outcomes: success and failure
2
If X is B(10, .25), find the P(X = 3)
.7497
.7759
.1460
0.2503
3
How many Snapchat users would you expect to randomly select before you find a female?
0.7
1.0
2.4
1.4
4
Given n = 10, "at most 3" means:
3, 4, 5, 6, 7, 8, 9, 10
4, 5, 6, 7, 8, 9, 10
0, 1, 2, 3
0, 1, 2
5
Given that n = 8, "at least 4" means:
0, 1, 2, 3
4, 5, 6, 7, 8
0, 1, 2, 3, 4
4, 5, 6, 7, 8, 9
6
If X is B(10, .35), find P(X < 3)
.2522
.5138
.1757
.2616
7
How is a geometric distribution different from a binomial one?
it has unlimited outcomes
the probability of success is the same for each trial
trials continue until a success is obtained
the trials must be independent
8
70% of Snapchat users are female. Find P(1st female chosen is the 4th randomly chosen user)
.0189
.2401
.3430
.1029
9
If X is B(10, .25), find μ
1.875
1.369
2.5
.25
