Since the marbles are identical in number and Mr Kim is replacing the marble after each trial, we can assume that the chance of drawing a green marble is 1/5 or 0.2.
Therefore, in 50 trials, he would expect to get 50 * 0.2 = 10 green marbles.
Mr Kim has a bag with some marbles colored red, yellow, green, blue and white. The marbles are identical in number. Mr Kim will conduct a chance experiment by randomly drawing a marble from the bag then returning it after noting the color. Based on 50 trials how many green marbles would he expect to get
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