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The U.S. Census Bureau claims that 26% of all U.S. businesses are owned by women. Suppose...

The U.S. Census Bureau claims that 26% of all U.S. businesses are owned by women. Suppose that we suspect this is not true and we want to do a hypothesis test using random sampling.

What is the smallest sample size that we could take in order to safely use the ?z significance tests for a proportion?

a) 14

b) 10

c) 39

d) 20

Please show work!

math   Statistics-And-Probability   
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TOPIC:Finding the required minimum sample size to use the z-test for proportion.

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