A recent study claimed that at least 15% of junior high students are overweight. Te test this claim a random sample of 160 students is surveyed, and 1

A recent study claimed that at least 15% of junior high students are overweight. Te test this claim a random sample of 160 students is surveyed, and 18 of the subjects were found to be overweight. Use this sample data to test the study’s claim at 0.05 significance of .05

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