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TestH0:p=0.28 vsHa:p <0.28 when the sample hasn=600 , andp^=0.221 withSE=0.02 . Find the value of the standardizedz -test statistic. Round your answer to two decimal

TestH0:p=0.28

vsHa:p<0.28

when the sample hasn=600

, andp^=0.221

withSE=0.02

Find the value of the standardizedz

-test statistic.

Round your answer to two decimal places.

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