Choose the statement that is true.
A. For a normal distribution, 95% of the distribution is within 3 standard deviations. B. For a normal distribution, 68% of the distribution is within 3 standard deviations. C. For a normal distribution, 99.7% of the distribution is within 3 standard deviations.
C. For a normal distribution, 100% of the distribution is within 3 standard deviations.