A blood bank catalogs the types of blood, including whether it is Rh-positive or Rh-negative, given by
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A blood bank catalogs the types of blood, including whether it is Rh-positive or Rh-negative, given by donors during the last five days. The number of donors who gave each blood type is shown in the table.
1. Find the probability that a donor selected at random has type O or type A blood.
2. Find the probability that a donor selected at random has type B blood or is Rh-negative.
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Related Book For 
Elementary Statistics Picturing The World
ISBN: 9781292260464
7th Global Edition
Authors: Betsy Farber, Ron Larson
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