In May 2011, Gallup asked 1,721 students in grades 5 through 12 if their school teaches them about money and banking. Researchers are interested in finding out if majority of students receive such education. Which of the following are the correct set of hypotheses?

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

step-by-step explanation:   divide the numerator by the denominator to get the decimal

it would still be 193

if divide by 100 then 1.93

i am not sure

the answer is:

mean: 6

mad: 2.14

hey there : ) your answer would be a.

step-by-step explanation: