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Problem 1: Study on Smiling In a recent study people were observed for about 10 seconds in public places (e.g. malls and restaurants) to determine

Problem 1: Study on Smiling

In a recent study people were observed for about 10 seconds in public places (e.g. malls and restaurants) to determine whether they smiled during the randomly chosen 10-second interval.The table shows the results for comparing Adults (group 1) and Minors(group 2).

image text in transcribed
Smile No Smile Total 1 = Adult 3269 3806 7075 2 = Minor 4471 4278 8749 Total 7740 8084 15824

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