A survey of 200 high school students found that 45 of them had their own television set. Based on the results of this survey, about how many students in a school of 3,000 would have their own television set? * 675
225
450
375

What is the area of the trapezoid shown ?

Identify the number as a rational or irrational.explain. 127

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”?