Refer to the following information. When playing bingo, 75 balls are placed in a bin and balls are randomly selected. Each ball is marked with a letter and number as indicated in the following chart.

For example, there are balls marked B1, B2, up to B15; I16, I17, up to I30; and so on. Assuming one bingo ball is randomly selected, determine the odds against it containing the letter B.

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в I G 1-15 16–30 31-45 46-60 61-75 BI23456 189 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 N 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 646 47 48 49 50 51 52 53 54 55 56 57 58 59 60 G162 63 64 65 66 67 leA 69 70 71.72 73 74 75