Mathematics, 07.08.2019 03:10 19thomasar

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

Answers: 1

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