Determine whether the study involves selection bias, participation bias, both selection bias and participation bias, or neither.You are interested in the degree of satisfaction amongst customers at your video store. For one week, you hand a customer satisfaction questionnaire to every customer who comes into the store and ask them to fill it out and place it in a box after they check out.

Solve the problem.For the study described below, identify the sample.A researcher is interested in the level of stress among emergency-room nurses in the U.S. 275 emergency-room nurses were interviewed to determine their level of stress. Each nurse was assigned a stress rating based on his or her answers to a number of questions. The average stress rating for the 275 nurses was determined.

Decide whether the argument is inductive or deductive.His last four at bats were strikeouts. Therefore, the next one will be a strikeout.

The statement connects two individual propositions with the word or. State whether the entire statement is true or false, and explain why.6 + 3 = 9 or 2 × 9 = 18

Solve the problem.The following Venn diagram describes the types of cookies in a bakery. Use it to determine how many chocolate chip cookies do not also have walnuts.

Solve the problem.The regular selling price of an item is $264. For a special year-end sale the price is at a markdown of 20%. Find the discount sale price.

Make a truth table for the given statement. The letters p, q, r, s represent propositions.r ∨ ~s

Use braces to write the members of the set, or state that the set has no members.The letters needed to spell the following words: dust, stud, tuds, sud

Decide whether the argument is inductive or deductive.Practice makes perfect. Therefore, if I practice, I’ll be perfect.

The argument given or described involves some kind of fallacy. Identify the fallacy.After getting new dishes, I started to sneeze. I must be allergic to the new dishes.