Statistics Problems - 10

6/13/2019 Assignment Print View

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2. Award: 0.16 points    

The owner of the West End Kwick Fill Gas Station wishes to determine the proportion of customers who pay at the pump using a credit card or debit card. He surveys 100 customers and finds that 80 paid at the pump. (Round your answers to 2 decimal places.) a. Estimate the value of the population proportion.

Estimated population proportion

References

Worksheet Learning Objective: 09-01 Compute and interpret a point estimate of a population mean.

Difficulty: 2 Intermediate

Learning Objective: 09-03 Compute and interpret a confidence interval for a population proportion.