Aprincipal believes 50% of her music students reported their practice hours accurately. based on that assumption, she ran 200 simulations of random samples. she found the mean of each run. then she found the mean, 48%, and standard deviation of all the means, 18%, to create a normal distribution. according to that distribution, which option below gives the best description of how likely is it that a single survey would return a mean of 30%?

Atriangle in the coordinates of (2,3), (-4,5) and (-2,4) it is translated 3 units down. what are it’s new coordinates

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?

The equatorial radius of earth is approximately 6 × 10^3 km, while the equatorial radius of saturn is approximately 6 × 10^4 km. which of the following is true? a. the equatorial radius of saturn is approximately one hundred times that of earth. b. the equatorial radius of saturn is approximately ten times that of earth. c. the equatorial radius of earth is approximately one hundred times that of saturn. d. the equatorial radius of earth is approximately ten times that of saturn.