Refer to Exercise 12.3. How many observations are needed for a 95% confidence interval
Chapter 12, Problem 12.4(choose chapter or problem)
Refer to Exercise 12.3. How many observations are needed for a 95% confidence interval to be 2 units in length if n1 = n2?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer