Compare 2014 to 1998, 2014 has a 90% chance of being warmer than 1998?

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According to NASA, 2014 has a 38% chance of being the warmest year, 1998 has only a 4% chance of being the warmest year.

2014 or 1998 have a 42% chance of being the warmest year.

Since I eliminated all other possibilities, I changed 42% to 100%.

42 * (100/42) = 42,
38 * (100/42) = 90,
4 * (100/42) = 9.5

So, does 2014 have a 90% of being warmer than 1998? Please help what I am doing wrong?

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