Chapter 9. Approximately 45% of all students who withdraw from online classes do so because of lack of faculty engagement, according to a retention rate study done at ABC university. 40 randomly selected students who withdrew from their classes are interviewed, and it is determined that 16 of them withdrew because of lack of faculty engagement. Using = 0.05, is the claimed proportion of the study accurate? Round to 2 decimal places, unless asked otherwise.

1. The null hypothesis is p = 0.40 (write "True" or "False" in the blank):
2. The value of p-hat is
3. The absolute value of the test-statistic is
4. The absolute value of the critical Z is
5. The final decision is to reject Ho. (write "True" or "False" in the blank):