Statistics Expert Q&A
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laxmi mangrati
1 day ago
The mean of a Poisson distribution,where μ is the average number of successes occurring in a specified interval,is μ.
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Carey Barbree
1 day ago
The Poisson random variable is a discrete random variable with infinitely many possible values.
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Nicole Williamson
1 day ago
The number of customers arriving at a department store in a 5-minute period has a Poisson distribution.
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Zainab Zaini
1 day ago
The number of accidents that occur at a busy intersection in one month is an example of a Poisson random variable.
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Muhammad Ammar
1 day ago
Faculty rank (professor,associate professor,assistant professor,and lecturer)is an example of a discrete random variable.
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Bryanna Booker
1 day ago
For a random variable X,E(X + 2)− 5 = E(X)− 3,where E refers to the expected value.
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Jamal Abumonshar
1 day ago
Another name for the mean of a probability distribution is its expected value.
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Just me Not we
1 day ago
For a random variable X,if V(cX)= 4V(X),where V refers to the variance,then c must be 2.
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Francesco Ancona
1 day ago
A continuous variable may take on any value within its relevant range even though the measurement device may not be precise enough to record it.
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carmella pride
1 day ago
The number of homeless people in Boston is an example of a discrete random variable.
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Kanza Usmani
1 day ago
A table,formula,or graph that shows all possible values a random variable can assume,together with their associated probabilities,is referred to as probability distribution.
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Kamrie Scott
1 day ago
Given that X is a discrete random variable,then the laws of expected value and variance can be applied to show that E(X + 5)= E(X)+ 5,and V(X + 5)= V(X)+ 25.
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Shreya Khard
1 day ago
The length of time for which an apartment in a large complex remains vacant is a discrete random variable.
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Novendra Santoso
1 day ago
Bayes' Law is used to compute:
A) prior probabilities.
B) joint probabilities.
C) union probabilities.
D) posterior probabilities.
A) prior probabilities.
B) joint probabilities.
C) union probabilities.
D) posterior probabilities.
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Stephanie Villar
1 day ago
The number of home insurance policy holders is an example of a discrete random variable
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Vicky Nicor
1 day ago
A random variable is a function or rule that assigns a number to each outcome of an experiment.
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tiffany morton
1 day ago
The time required to drive from New York to New Mexico is a discrete random variable.