An InsuranceQuotes.com survey* indicated that 8% of Americans had a holiday package stolen from outside their front door.  You randomly select 20 people and ask whether they have had a package stolen from their front door. a.  One of the conditions for a binomial probability distribution is to have a fixed number of trials.  Explain why this problem meets this condition. b.  Find the probability that exactly 4 people from a group of 20 randomly selected Americans have had a holiday package stolen.  Round your final answer to three decimal places.   *Based on real data and from your book.

In a study of 64 randomly selected people, it was found that 41% subscribe to at least one magazine.  a.  Construct and interpret (write your results in a sentence) a 90% confidence interval for the proportion of people that subscribe to at least one magazine.  Round final numbers to three decimal places. b.  Do the results support the claim that less than half of people subscribe to at least one magazine?  Explain why/why not.  

a.  If you were to create confidence intervals with the same data set, which would be wider: a 90% confidence interval or a 99% confidence interval?   b.  True or False?  A Type I error occurs when we incorrectly reject the null hypothesis.

All final answers MUST be typed into the final exam, though supporting work for the answers do not need to be typed in.  You need to upload your work to the drop box associated with this study guide within 30 minutes after finishing the exam. As explained in the study guide, you will need the normal distribution tables printed out for this exam. You may not use a cell phone or access the internet during this exam.

An example of an endocrine gland is the:

The period of time in which dentin is generated or formed occurs:

The glands that produce 60 to 65% of total salivary volume are the:

The thin, watery secretion with high protein content is:

(Select ALL that apply)  Sharpey fibers are located in which of the following dental tissues? (Multiple answers)

What is the function of cementum?