An incoming MBA student took placement exams in economics and mathematics. In economics, she scored 82 and in math 90. The overall results on the economics exam had a mean of 73 and a standard deviation of 8, while the mean math score was 66, with a standard deviation of 14. On which exam did she do better compared with the other students?

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false