Math 1431 – Spring 2003 – Test #4 – Practice
Question 2 Answers
  1. Use 1–PropZTest. The hypotheses are: H0: p = 0.75 and Ha: p ≠ 0.75. The P–value = 0.1096. Since P–value > α/2, we fail to reject H0.

  2. Use 1–PropZInt. The 95% CI for the 1 sample proportion is 0.65865 to 0.76135.