2 months ago

A game has 15 balls for each of the letters B, I, N, G, and O. The table shows the results of drawing balls 1,250 times.

1 answer:

4 0

In theory, each letter has an equal chance of appearing since there are 15 of each. With 5 letters available, the total count is 75 balls, and each letter has a probability $\dfrac{15}{75}=\dfrac15$ of being selected.

This suggests a theoretical frequency of $\dfrac{1250}5=250$ , meaning on average, any specific letter should be drawn 250 times, so the answer is D.

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