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 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 condence interval to estimate the population proportion of all customers that prefer chocolate over vanilla? I 'l (M1645 W I? ($1.96 W I? ((31.95 W I? (011.95 w (7. w (E) 2.576 50