Mathematics, 04.11.2020 04:00, tristanart5749

1. The American Red Cross says that about 15% of the U. S. population has Type B blood. A blood drive is being held at your school. a) What is the probability that exactly 3 of the first 20 blood donors have Type B blood? ( hint. Binomial) ( 2 Marks)
b) What is the probability the 8th Bloor donor is the first donor with type B blood type.
( hint: Geometric) ( 2 Marks)

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1. The American Red Cross says that about 15% of the U. S. population has Type B blood. A blood driv...