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One study, based on responses from 1,024 randomly selected teenagers, concluded that 43% of teenagers cite grades as their greatest source of pressure. Use a
One study, based on responses from 1,024 randomly selected teenagers, concluded that 43% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than half of all teenagers in the population feel that grades are their greatest source of pressure.
Find the test statistic.
z =
(Round to two decimal places as needed.)
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