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Problem 2 A random sample of 41 business days, from 2016 through 2017, of the closing price...

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Basic Math

Problem 2

A random sample of 41 business days, from 2016 through 2017, ofthe closing price of Apple stock is conducted. The sample producesan average closing price of $116.16 with a standard deviation of$10.27.

  1. Verify the requirements for the confidence interval.
  2. For a 95% confidence interval, find the margin of error for thetrue average closing price of Apple stock from 2016 through2017.
  3. Interpret a 95% confidence interval for the true averageclosing price of Apple stock from 2016 through 2017.
  4. Respond to the statement that the true average closing price ofApple stock from 2016 through 2017 was less than $125 . Make yourresponse understandable to someone not in the class

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