How long will it take you to drive 135 miles at a speed of 45 miles per hour?

The number of possible solutions of a polynomial can be found by looking

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”?

Which of the following is an example of conditional probability