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Company A invites you to conduct a survey on its consumer satisfaction rate By surveying a few customers, you concluded that about 20 percent of
Company A invites you to conduct a survey on its consumer satisfaction rate
By surveying a few customers, you concluded that about 20 percent of consumers are satisfied with A's service.
Your acceptable interval is +/-0.05
Your confidence interval is 0.95
How many customers will you sample at least?
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