The midterm test scores of a statistics class had a mean of 70 with standard deviation 5. The distribution of the scores was approximately bell shaped and so we can use the 68-95-99.7 rule. Which of the following statements regarding the distribution of the midterm scores is true?

A. The interquartile range of the scores is greater than 10

B. less than 70% of the students have their score above 65

C. 95% of students have their score between 55 and 85

D. None of the statements are true