Author Question: The Poisson random variable is the number of successes achieved when a random sample of size n is ... (Read 116 times)

P68T · **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.