Question 7.201

11. Men and Depression. According to the National Institute for Mental Health, 6.6% of men are affected by a depressive disorder each year.

  1. If we take samples of 400 men, find .
  2. If we take samples of 400 men, find .
  3. If we take samples of 400 men, find the 2.5th and 97.5th percentiles of the sample proportion.