A Wholesale stationery stocks heavy (2B), medium (HB), fine (2H) and extra fine (3B) pencils which come in packs of 10. Currently in stock are 2 packs of 3B, 14 packs of 2H, 35 packs of HB and 8 packs of 2B . If a pack of pencils is chosen randomly for inspection, what is the probability that it is of type: i.) Medium ii.) Heavy iii.) Not very fine iv.) Neither heavy nor medium



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