Adecorative fish tank is in the shape of a right rectangular prism is shown in the diagram. what is the volume of the fish tank? a) 18 m³ b) 2212 m³ c)2614 m³ d)105 m³

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”?