A marketing research firm wishes to study the relationship between wine consumpt

Question

A marketing research firm wishes to study the relationship between wine consumption and whether a person likes to watch professional tennis on television. One hundred randomly selected people are asked whether they drink wine and whether they watch tennis. The following results are obtained: Watch Tennis Do Not Watch Tennis Total Drink Wine 42 18 60 Do Not Drink Wine 25 15 40 Total 67 33 100 References Section BreakExercise 2.50 METHODS AND APPLICATIONS 1.value: 1.00 pointsRequired information Exercise 2.50 METHODS AND APPLICATIONS Part a-1 and a-2 (a-1) What percentage of those surveyed both watch tennis and drink wine? (Omit the "%" sign in your response.) People watch tennis and drink wine % (a-2) What percentage of those surveyed do neither? (Omit the "%" sign in your response.) People surveyed do neither %

Explanation / Answer

P(Both) = 0.7 + 0.625 - 0.67

= 0.655

P(None)

= 0.3 + 0. 375 - 0.33

= 0.345

Hope this helps. Ask if you have doubts.

Please note, since the tableis not clearly drawn in the question, I am a bit doubtful about the correctness of the answer.

Percentage Yes No Yes No Tennis 42 18 60 Tennis 0.7 0.3 Wine 25 15 40 Wine 0.625 0.375 Total 67 33 100 Total 0.67 0.33

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