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Mathematics, 20.12.2019 22:31 cmarton30140
Suppose a market researcher wants to determine the current percentage of online shoppers who are males. how many online shoppers should the researcher survey in order to be 90% confident that the estimated (sample) proportion is within 3 percentage points of the true population proportion of online shoppers who are males?
zo.10 zo.05 zo.01 zo.005 zo,025
1.282 1.645 2.326 2.576 1.960
use the table of values above. do not round until the final step.
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