Based on the assumption that all marbles are identical and there are only red, yellow, green, blue, and white marbles in the bag, the probability of picking a green marble in each trial is 1/5 or 0.2.
With 50 trials, Mr. Lim can expect to pick an average of 50 * 0.2 = 10 green marbles.
Therefore, Mr. Lim can expect to pick approximately 10 green marbles from the bag in 50 trials.
Mr. Lim has a bag with some marbles colored red, yellow, green, blue, and white. The marbles are identical in number. Mr. Lim will conduct a chance experiment by randomly drawing a marble from the bag and then returning it after noting the color. Based on 50 trials, how many green marbles will Mr. Lim expect to pick?
__ green marbles
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