marissanico2002 marissanico2002
  • 20-11-2022
  • Mathematics
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In a random sample of mobile​ devices, the mean repair cost was ​$80.00 and the standard deviation was ​$11.00 Assume the population is normally distributed and use a​ t-distribution to find the margin of error and construct a ​95% confidence interval for the population mean. Interpret the results.

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