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Quiz: Chi-Square (X2)

The table below shows the results for 60 rolls of a die. The sample will be used to test if the die is fair. Use this table for questions 2 through 8.

A soft drink company has a promotion with a message printed on the cap of each bottle. The company claims that 5% of caps will win a video game, 45% will win a free bottle, and 50% say “sorry, please play again.” A random sample of 200 bottles had 8 bottles win the video game, 84 win a free bottle, and 108 did not win. A test will be conducted to test the company's claim. Use this data for questions 9 through 13.

The table below shows the gender and selected drink of 100 persons randomly sampled to chose between two coffee drinks, A and B. A test of independence is done. Use this data for questions 14 through 21.