Mathematics, 23.06.2019 01:00, MissDumb1

Most people can roll their tongues, but many can't. the ability to roll the tongue is genetically determined. suppose we are interested in determining what proportion of students can roll their tongues. we test a simple random sample of 400 students and find that 317 can roll their tongues. the margin of error for a 95% confidence interval for the true proportion of tongue rollers among students is closest to

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Most people can roll their tongues, but many can't. the ability to roll the tongue is genetically de...