Question: A random sample of 520 observations produced a sample proportion equal to 0.38. Find the critical and observed values of z for the following test

A random sample of 520 observations produced a sample proportion equal to 0.38. Find the critical and observed values of z for the following test of hypotheses using =0.05.

H0:p=0.30

versus H1:p>0.30.

Round your answers to two decimal places.

z_critical =

z_observed =

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