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A recent study about the blood types distribution reported that the percentage of B+ blood type...

A recent study about the blood types distribution reported that the percentage of B+ blood type holders in KSA is approximately 18.2%. A call for donation for B+ blood is released at University of Jeddah. What is the probability that among the first 14 applicants there is at least one B+ blood type holder?
Math   Statistics-And-Probability   
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Answer #1

Answer:

Given by:

Given by the Probability of being a B+ holder as consider by =0.182

P (at least one is B+) given by =1-P (none is B+)

                                                  =1-(1-0.182) ^14

                                                        =0.9399

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