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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
Is the following variable discrete or continuous? Amount of gasoline needed to go to the beach
Discrete
Continuous
2
Expected value is the same as the
None of the above
Mean
Varience
Standard Deviation
3
Is the following variable discrete or continuous? The cost a your last Starbucks purchase
Discrete
Continuous
4
If I want to find the probability of getting at least 2 cars, what formula would I use?
P(x<2)
P(x=2)
P(x>2)
P(x≥2)
5
Which is a binomial experiment?
Picking a card
Rolling a dice
Flipping a coin
6
Is the following variable discrete or continuous? The time it takes you to answer this question
Continuous
Discrete
7
Is the following a binomial experiment? Count the number of boys and girls in various classes.
binomial
not binomial
8
Given a random variable X between 0 and 3, if P(0) = .15, P(1) = .2, P(2)= .3, P(3) =?
.65
.35
.45
.25
9
What are the requirement for a probability distribution?
numbers must sum to 1
All numbers must be between 0 and 1
All numbers must be the same.
numbers can be negative
10
Selecting cards from a deck results in a binomial distribution
True
False
