Question

Assume that you receive a radiocarbon date that reads 500 years before present and has a standard deviation of 25 years. Which of the following statements is true?
a) There is a 66% chance that the date is between 475 and 525 years before present
b) There is a 95% chance that the date is between 450 and 550 years before present
c) There is a 98% chance that the date is between 480 and 520 years before present
d) all of the above
e) Answers a and b are correct

Answer

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