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
Based on the assumption that the marbles are identical in number and there is an equal probability of picking each color, Mr. Lim can expect to pick 10 green marbles out of 50 trials.
Here's how the calculation is done:
1. Since there are 5 colors of marbles and they are identical in number, each color has 1/5 probability of being picked in a single trial.
2. Therefore, the expected number of green marbles picked in a single trial is 1/5 x 50 = 10.
3. Based on this calculation, Mr. Lim can expect to pick 10 green marbles in 50 trials.