Which of the following accurately describes the chi-square ...

[Shelles]

Which of the following accurately describes the chi-square distribution?
 
  A) symmetrical with a mean of zero
  B) positively skewed with all values greater than or equal to zero
  C) negatively skewed with all values greater than or equal to zero
  D) symmetrical with a mean equal to n - 1

Question 2

For the normal approximation to the binomial distribution with n = 100 and p = 1/2, a score of X = 60 corresponds to a z-score of z = 2.00.
 
  Indicate whether the statement is true or false

[Dunkey]

Answer to Question 1

B

Answer to Question 2

True

[Shelles]

Gracias!

[amcvicar]

Thanks for the timely response, appreciate it