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Probability & Statistics: Bernoulli Trials Duncan Polytechnical High School Flashcards | StudBud
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Probability & Statistics: Bernoulli Trials Duncan Polytechnical High School
Probability & Statistics: Bernoulli Trials Duncan Polytechnical High School
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Answers
1
The trials in a Bernoulli trial cannot be independent.
False
True
2
A coin is flipped until 10 heads appear. Find the probability this will take exactly 17 flips?
0.663
0.093
0.0892
0.087
3
Find the probability of the event: A die is rolled 18 times and two threes come up.
0.2299
0.311
0.2234
0.93
4
In a Bernoulli trial the probability has to be constant? True or False
False
True
5
Record the distribution of hair color of 200 people. Is this situation a Bernoulli trial?
Yes
No
6
If you pick 6 blue candles from a bag of mixed coloured candles? Is this a Bernoulli trial.
No
Yes
7
10% of Americans have black hair. What's the chance the next two both have black hair?
Yes you can can use this for bernoulli trials.
No this can not be used for Bernoulli trips.
8
Answering a call for a Survey has P(S) = 20%, find P(it will take exactly10 calls to get 4people to answer
0.0532
0.0352
none of these answers
0.052
9
Which must be true to use Bernoulli trial?
2 possible outcomes
4 possible outcomes
1 possible outcome
3 possible outcomes
10
Given P(Fail) = 0.6, what is the P(2 Failures in 7 trials) ?
0.055
0.066
0.93
0.077
