Among a sample of 800 adult males, 414 said they usually open all of their mail. Among

Question:

Among a sample of 800 adult males, 414 said they usually open all of their mail. Among 900 adult females, 532 said they usually open all of their mail.4
(a) Construct a two-way table based on these frequencies.
(b) Formulate the null hypothesis.
(c) Conduct a/2 test of your null hypothesis. Use a = .05.
(d) Comment on the form of any departure from the null hypothesis.