The basic blood types are represented by letters: A, B, AB, and O. There is also an Rh factor represented by either positive or negative. If a local blood bank labels donations according to type, Rh factor, and gender (Male or Female), how many different ways can a blood sample be labeled? a. How many different blood types are there? b. How many Rh Factors are possible? c. How many different genders are listed? d. Using the Fundamental Counting Principle, how many different ways can a blood sample be labeled?

1. Mark 30 small pieces of paper with an A, a B, or a C. Put the pieces of paper in a bag. Trade bags with other students in the class. a. Generate a sample by choosing a piece of paper from your bag 10 times, replacing the piece of paper each time. Record the number of times you choose each letter. Repeat this process to generate five more samples. b. Use each sample to make an estimate for the number of As and Bs in the bag. Then describe the variation of the six estimates. Make estimates for the numbers of As, Bs, and Cs in the bag based on all the samples. c. Take the pieces of paper out of the bag. How do your estimates compare to the population? Do you think you can make a more accurate estimate? If so, explain how.

Dr. A. Ventura is interested in determining what kinds and how many pets people own in Bakersfield. He stands outside Petco and asks people what kind of pet they own. This is the result of his survey: dog=1; cat=2; bird=3; reptile=4; fish=5; other=6 1,1,2,2,2,1,1,3,2,3,1,1,1,2,2,4,4,2,2,1,1,1,5,4,3,4,1,1,1,2,2,6,1,1,2,2,1,2,1,2,6,3,4,5

by which criteria?

How many different ways are there to select a group of 4 out of 8 people for a survey?

A survey of 150 freshmen business students at a local university produced the results listed below. How many students took only religion? 35 took history;42 took science;43 took religion;19 took history but not science;14 took science and religion;15 took history and religion;6 took all three

An archaeology club has 20 members. How many different ways can the club select a president, vice president, treasurer, and secretary OA 116,280 OB. 465,120 OC. 174/420 OD. 29,070

Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 140 subjects with positive test results, there are 30 false positive results. Among 159 negative results, there are 3 false negative results. Complete parts (a) through (c). (Hint: Construct a table.) a. How many subjects were included in the study? The total number of subjects in the study was ...

A survey of 400 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school.      Undergraduate Major             Graduate School Business Engineering Other Total   Yes   33   43   61 137   No   90 105   68 263   Total 123 148 129 400 What percentage of the students' undergraduate major is Engineering?   a. 65.75%     b. 520%     c. 152%     d. 37%

A deli offers 12 different toppings. How many different choices of 5 toppings are there?