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[Front]

p(x) is greater than or equal to 0 and less than or equal to 1, for all x, and the sum off all x must be equal to 1
[Back]

Discrete probability distributions must satisfy:

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### Questions:

9 questions
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 P(x) is greater than or equal to 0 and less than or equal to 1, for all x, and the sum off all x must be equal to 1 Discrete probability distributions must satisfy:
 Probability densities What does the y axis in a continuous distribution represent?
 Theoretical mean of the random variable Expected value?
 The expectation of the squared distance of x from its mean = E[(x - μ)^2] Variance of x = ?
 The sample mean, not population mean What does x bar mean?
 The population mean (EXPECTATION), not sample mean What does mew mean?
 Square root of variance How to find standard deviation?
 If n is large and p is small, and np stays constant When does a Binomial Distribution tend toward a Poisson distribution?
 Hypergeometric Which distribution is the Binomial distribution a good approximater of?