Question: A study on how long it takes to develop basic proficiency in playing guitar found that people in their sample took an average of 33

A study on how long it takes to develop "basic proficiency" in playing guitar found that people in their sample took an average of 33 hours to develop basic proficiency. Based on their sample, they constructed a 90% confidence interval that went from 29 to 37. Which of the following is an accurate interpretation of their findings?

A.They can be 90% confident that the true population mean is between 29 and 37.

B.They can be 90% confident that the true population mean is 33 hours.

C.None of the options given is correct.

D.They can be 90% confident that the true population mean is equal to a whole number between 29 and 37.

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