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Duplicate of Probability Distribution Flashcards | StudBud
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Duplicate of Probability Distribution
Duplicate of Probability Distribution
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StudBud Administration
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Statistics Probability Distributions
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
How does a hypergeometric distribution differ from a binomial distribution?
There is more than one way to define success
The probability is uniform
There are unlimited trials
The trials are dependent
2
Which is a binomial experiment?
Rolling two dice
Dealing a hand of cards
Flipping a coin
3
The probability of getting at least 2 red marbles from a jar is:
P(x>2)
P(x=2)
P(x<2)
P(x≥2)
4
The probability of drawing exactly 2 red marbles from a jar, is:
P(x = 2)
P(x < 2)
P(x > 2)
5
Expected value is the same as the
Mean
Varience
Standard Deviation
None of the above
6
Given a random variable X between 0 and 3, if P(0) = .15, P(1) = .2, P(2)= .3, P(3) =?
.45
.65
.35
.25
7
Is the following variable discrete or continuous? The cost a your last Starbucks purchase
Discrete
Continuous
8
Is the following variable discrete or continuous? Amount of gasoline needed to go to the beach
Continuous
Discrete
9
What are the requirement for a probability distribution?
numbers must sum to 1
numbers can be negative
All numbers must be between 0 and 1
All numbers must be the same.
10
Is the following variable discrete or continuous? The time it takes you to answer this question
Continuous
Discrete
