Question Help ▼ In a random sample of ten cell phones, the mean full retail price was $511.50 and the standard deviation was $217.00. Assume the population is normally distributed and use the...

Extracted text: Question Help ▼ In a random sample of ten cell phones, the mean full retail price was $511.50 and the standard deviation was $217.00. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean p. Interpret the results. Identify the margin of error. (Round to one decimal place as needed.)