The expected value for a binomial probability distribution is
a. E(x) = np
b. E(x) = p(1 p)
c. E(x) = np(1 p)
d. E(x) = np(1 n)
Question 2
In order to test for the significance of a regression model involving 3 independent variables and 47 observations, the numerator and denominator degrees of freedom (respectively) for the critical value of F are
a. 47 and 3
b. 3 and 47
c. 2 and 43
d. 3 and 43