Advanced Placement (AP), 19.05.2020 02:57 patriciamelton57

6. The supply manager at a local ice cream shop claims that 80% of customers prefer chocolate over vanilla. One of the employees believes that is an overstatement. He selects a random sample of 50 customers and found that 30 of them preferred chocolate over vanilla. Which of the following is the appropriate margin of error for a 95 percent confidence interval to estimate the population proportion of all customers that prefer chocolate over vanilla?

6. The supply manager at a local ice cream shop claims that 80% of customers prefer chocolate over v

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