Random assignment of participants to the various groups in an experiment makes it more likely that extraneous variables will impact the experiment. increases the probability that the groups are equivalent. is essential if you want to generalize your results to the population. is very difficult to do and is therefore not commonly done.

Bryce drove 200 miles to his grandparents house this is 50 miles more than three times the distance to aunt lance a house what is the distance to hisaunt lance house?

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.