Twelve of the last 16 winners of the school science fair have been seventh grade students. mona placed 3 red marbles and 1 green marble in a bag to create a simulation to predict whether future science fair winners will be seventh graders.
according to mona’s model, what is the probability that the next 4 winners will all be seventh grade students?
3/16
81/256
3/4
7/8

3/4

step-by-step explanation:

in total there are 4 marbles and 3 of them represent 7th graders .

step-by-step explanation: you take each of the numbers and divide by the amount then you take the range

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction