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Determine the current percentage of customers

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Problem:

Suppose the manager of a shoe store wants to determine the current percentage of customers who are males. How many customers should the manager survey in order to be 92% confident that the estimated (sample) proportion is within 10 percentage points of the true population proportion of customers who are males?

z0.10

z0.05

z0.04

z0.025

z0.01

z0.005

1.282

1.645

1.751

1.960

2.326

2.576

Use the table of values above.

Reference no: EM133266277

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