Given a binomial distribution with n trials and probability p of ...

[fox]

Given a binomial distribution with n trials and probability p of a success on any trial, a conventional rule of thumb is that the normal distribution will provide an adequate approximation of the binomial distribution if
 a. np  5 and n(1 - p)  5
  b. np  5 and np(1 - p)  5
  c. np  5 and n(1 - p)  5
  d. None of these choices.

Question 2

For a regression analysis to be valid, the error variable must have a(n) ___________________ _ distribution.
 Fill in the blank(s) with correct word

[ecox1012]

Answer to Question 1

C

Answer to Question 2

normal

[fox]

TYSM

[meow1234]

Excellent