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A track competition of 150 different schools has a lower limit of .8 and upper limit of .16 Determine the level of confidence using formula

A track competition of 150 different schools has a lower limit of .8 and upper limit of .16

Determine the level of confidence using formula for p' = Upper limit + Lower limit /2

p' = _______

Z = SQRT((p*(1-p)/n) = ______

Therefore Z = ____

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