A blood bank needs 4 doners of a blood group . There are 25% of doners of blood group A.what is the probability that 9th doner will be the 4rth one of blood group A
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The study showed that O was the most common blood group (37.12%) in the country closely followed by B at 32.26%, followed by A at 22.88% while AB was the least prevalent group at 7.74%. 94.61% of the donor population was Rh positive and the rest were Rh negative. Regional variations were observed in the distribution. Using the maximum likelihood method, the frequencies of the IA, IB and IO alleles were calculated and tested according to the Hardy Weinberg law of Equilibrium. The calculated gene frequencies are 0.1653 for IA (p), 0.2254 for IB (q) and 0.6093 for IO (r). In Indian Population, O (r) records the highest value followed by B (q) and A (p); O > B > A.
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