Question

The SAT this year has a mean of 500 and a standard deviation of 50. What percent of students scored between 400 and 600? Question 9 options:

Answer 1

Going by the 68-95-97.8 rule, we can tell that 95% of students scored within 400 and 600.

Also, I really hope that this isn't the average. I got a 1510.

Answer 2

the answer should be 95%