The American Red Cross says that about 45% of Caucasians in the U.S. have Type O blood, 40% Type A, 11% Type B, and 4% Type AB. Find the answers to problems A and B. a.)  What is the probability that the next blood donor who enters a donation center has Type O or Type A blood? Round to two decimal places.  b.)  What is the probability that the next three blood donors all have Type O blood? Round to four decimal places

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The American Red Cross says that about 45% of Caucasians in the U.S. have Type O blood, 40% Type A, 11% Type B, and 4% Type AB. Find the answers to problems A and B.

a.)  What is the probability that the next blood donor who enters a donation center has Type O or Type A blood? Round to two decimal places. 

b.)  What is the probability that the next three blood donors all have Type O blood? Round to four decimal places 

 

 

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