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Policy analysts believe that the proportion of Americans holding two or more jobs has increased since 1991, the last year for which complete records are

Policy analysts believe that the proportion of Americans holding two or more jobs has

increased since 1991, the last year for which complete records are available. In 1991,

the proportion was 0.054. A recent survey of 850 employed Americans found that 53

of them, 6.24%, held two or more jobs. What is the test statistic for testing the policy

analysts' belief?

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