Persons entering a blood bank are such that 2 in 5 have type O+ blood ...
guru2009 (Not rated)
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Persons entering a blood bank are such that 2 in 5 have type O+ blood ...
8 years ago
(a) X can take the values 0, 1, 2, 3 p = 2/5 = 0.4, q = 1 – p = 0.6, n = 3 ...
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Bloodbank.doc
