Suppose a company wants to determine the percentage of customers who shop online. How many customers should the company survey in order to be 92%  confident that the estimated (sample) proportion is within 3  percentage points of the true population proportion of customers who shop online? z 0.16   z 0.08   z 0.04   z 0.02   z 0.01   0.994  1.405  1.751  2.054  2.326

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