What is the probability of the possible outcomes

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The distribution of blood types in the United States is as follows, where positive and negative refer to the Rhesus (Rh) factor:

O-positive:         37 %

O-negative:       7 %

A-positive:         35 %

A-negative:        6 %

B-positive:         9 %

B-negative:        2 %

AB-positive:       3 %

AB-negative:     1 %

If you randomly select 20 people from the population and measure Rh factor, what is the probability of each of the possible outcomes?  Make a histogram on excel, and determine the probability that

a) none are Rh negative

b) three are Rh negative

c) more than three are Rh negative

Reference no: EM132483597

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