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The wester refineria company statistician wants to

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Reference no: EM13581837

Question: The Wester Refineria company STATISTICIAN wants to estimate the proportion of customers who use a credit /debit card to pay at the pump. She surveyed 150 customers and found out that 120 paid using such a card.

• Estimate the population proportion
• Compute the standard error of the proportion
• Develop a 95 % C I for the population proportion
• DISCUSS your findings

Reference no: EM13581837

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