He mean score for freshmen on an aptitude testat a certain college is 540, with a standard deviation of50. Assume the means to be measured to any degreeof accuracy. What is the probability that two groupsselected at random, consisting of 32 and 50 students, respectively, will differ in their mean scores by(a) more than 20 points

Why do interests rates on loans to be lower in a weak economy than in a strong one

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Point s lies between points r and t on . if rt is 10 centimeters long, what is st? 2 centimeters 4 centimeters 6 centimeters 8 centimeters