15% of all Americans suffer from sleep apnea. A researcher suspects that a lower percentage of those who live in the inner city have sleep apnea. Of the 352 people from the inner city surveyed, 39 of them suffered from sleep apnea.Test the calim at the level of significance of αα = 0.01? What type of test should be run? t-test of a mean z-test of a proportion The alternative hypothesis indicates a two-tailed test one-tailed test

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