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Expected Value Example -- Three Gumballs
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ItemPenniesProbabilitySo we multiplyProduct
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blue on first try19 out of 27 ≈ 0.3331¢ * 0.333 =0.333
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no blue, then a blue26 out of 27 ≈ 0.2222¢ * 0.222 =0.444
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first two not blue, third is blue34 out of 27 ≈ 0.1483¢ * 0.148 =0.444
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none blue38 out of 27 ≈ 0.2963¢ * 0.296 =0.888
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2.109Total
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