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Statistic & Probability Review Flashcards | StudBud
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Statistic & Probability Review
Statistic & Probability Review
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Questions
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Answers
1
What is the probability that exactly four tellers are busy at 12:00 noon? P(X=4)
0.262
0.155
0.212
0.214
2
This symbol name “r” is used for?
Z-score
Population Proportion
Population Parameters
Sample correlation
3
This example is a discrete probability distribution?
False
True
4
This symbol is used for sample space?
True
False
5
The sum of 3/4 + 1/2 = 5/8
True
False
6
Consists of the values a random variable can assume and the corresponding probabilities.
Discrete Random Variables
Discrete Probability Distribution
Discrete Data
Statistics & Probability
7
What do you think the answer?
0.212
0.523
0.922
8
What is the word phrases of this symbol?
at most, no more than
fewer than, below
at least, no less than
more than, above
9
What is the word phrases of symbol < ?
more that, above
fewer than, below
at least, no less than
at most, no more than
10
What is the probability that fewer than five tellers are busy at 12:00 noon? P(X<5)= P(0) + P(1) + P(2) + P(3) + P(4)
0.922
0.523
0.414
0.212
