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The question is given below In Australia, 10% of the population has blood type B. Consider X, the number having type B blood among 25

The question is given below

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In Australia, 10% of the population has blood type B. Consider X, the number having type B blood among 25 randomly-selected Australians. (a) What is the probability distribution ofX? (b) Calculate: (i) the mean and standard deviation of X. (ii) P( X 2 4) (iii) P( 3 sX

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