9. Online dating profiles that mention bowling get fewer contacts from the opposite sex than do profiles that don’t mention bowling. John Smith concludes that a mention of bowling makes the opposite sex less interested. 

Describe an experiment to test Smith’s conclusion. 

10. Contingency tables for the truth of two propositions are described in Modules:Wk9. Consider the following truth table: 

Write two if-then sentences that together match the truth table.

11. One of Alex’s prerecorded videos (Modules:Wk 9) explained a comic strip (https://xkcd.com/882/) about jelly beans. 

In your own words, explain why we should not conclude that jelly beans cause acne, even though the null hypothesis was rejected for one color of jelly beans.

12. Samoan vodka is not good. Because Tisnost vodka is Samoan, it’s not good.

Rewrite the above as a syllogism in standard form, labelling the premises and conclusion.