Here's your next reading assignment. Read Section 5.3 in your textbook and answer the following questions by 8 a.m., Wednesday, April 4th. Be sure to login (using the link near the bottom of the sidebar) to the blog before leaving your answers in the comment section below.
- Which of p and "hat p" (seen in the margin on page 203) is a random variable?
- In a study designed to investigate whether certain detonators used with explosives in coal mining meet the requirement that more than 90% will ignite the explosive when charged, it is found that 185 of 200 detonators function properly. Is this convincing evidence that this type of detonators work as they should?
- If you want to determine the smallest sample size n so that the margin of error of a point estimate for a population proportion is no larger than m = 0.04, do you need to know the size of the population? Why or why not?
- What is one question you have about the reading?