Interval estimates for the variance of a normal population rely ...

[Jramos095]

Interval estimates for the variance of a normal population rely on the random variable (n - 1)s2 / 2, which follows:
 
  A) a normal distribution.
  B) a binomial distribution.
  C) the Poisson distribution.
  D) a chi-square distribution.

Question 2

Which of the following statements is true given that the events A and B have nonzero probabilities?
 
  A) A and B cannot be both independent and mutually exclusive.
  B) A and B can be both independent and mutually exclusive.
  C) A and B are always independent.
  D) A and B are always mutually exclusive.

[fraziera112]

Answer to Question 1

D

Answer to Question 2

A

[Jramos095]

Excellent

[Dominic]

Thanks for the timely response, appreciate it