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Author Question: The Poisson random variable is the number of successes achieved when a random sample of size n is ... (Read 104 times)

P68T

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on: Jul 24, 2018
The Poisson random variable is the number of successes achieved when a random sample of size n is drawn without replacement from a population of size N within which M units have the characteristic that denotes success.
  Indicate whether the statement is true or false

Question 2

If the covariance for a single set of bivariate data is 0.75, while the standard deviation of x is 2.5 and the standard deviation of y is 3.2, then the coefficient of linear correlation is
 a. 0.234.
  b. 0.300.
  c. 0.094.
  d. 0.265.


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Pswine

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Reply #1 on: Jul 24, 2018
Answer to Question 1

F

Answer to Question 2

C


P68T

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Reply 2 on: Jul 24, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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