Afilter in the shape of a cone has a diameter of 3 inches and a height of 4 inches.
how much liquid can the filter hold without it overflowing?
a) π in3
b) 3π in3
c) 12π in 3
d) 36π in3

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?