Blood The American Red Cross says that about 45% ofthe U.S. population has Type O blood, 40% Type A, 11%Type B, and the rest Type AB.a) Someone volunteers to give blood. What is theprobability that this donor1) has Type AB blood?2) has Type A or Type B?3) is not Type O?b) Among four potential donors, what is the probabilitythat1) all are Type O?2) no one is Type AB?3) they are not all Type A?4) at least one person is Type B?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.