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Probability Models Flashcards | StudBud
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Probability Models
Probability Models
15 terms
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StudBud Administration
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182 plays
#AP #Statistics #Bernoulli #Binomial #Normal #probability #models #amerazor
Flashcards
15 cards
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Questions
15
Answers
1
What's the difference between Geometric and Binomial models ?
IV
I
III
II
2
What is this ?
Definition of Bernoulli Trial
Binomial Probability Model
Binom(n,p)
My worst nightmare
3
You flip a binder clip 10 times. What's the probability exactly 4 land on end?
0.257
0.161
0.219
0.105
4
You flip a binder clip 10 times. What's the probability 3 or more land on end?
0.426
0.513
0.418
0.440
5
Which of these can always be used for direct calculations of a very large number of trials?
II
Both
Neither
I
6
The Random Variable of Interest determines whether we might use ...
I or II
II or III
I or III
I or II or III
7
You find a pile of 500 playing cards. How large a sample can you use for a Bernoulli Trial?
0
4
6
5
8
Suppose we have a random variable ...
4.41
2.52
2.59
6.93
9
Which do you use to find the probability 3 successes in 11 trials ?
Both
I
Neither
II
10
Which of these applies to Bernoulli Trials ?
II
Neither
Both
I
11
When can the Normal Model be used to approximate the Binomial Model ?
when you expect at least 10 successes and 10 failures
when n*p+n*q ≥ 10
when you expect at least 10 successes or 10 failures
when I'm confused
12
WHat's the probability a shipment is rejected?
about 18%
about 84%
about 66%
about 34%
13
Is picking a red card from a standard deck a Bernoulli trial?
No
It depends.
Yes
14
How many different ways are there to get 5 successes out of 13 Bernoulli trials?
about 130
5
about 1300
about 170
15
You flip a binder clip until it lands on end. What's the probability it takes 4 tries?
0.005
0.122
.295
0.105
