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Here is the distribution of blood types for a randomly chosen person in the United States . Blood Type U.S. Probability A .4 B .11
Here is the distribution of blood types for a randomly chosen person in the United States
.Blood Type U.S. Probability
A .4
B .11
AB .04
O .45
Select two people at random.What is the probability that they both have type A blood?
a..16
b..32
c..8
d..24
What is the standard deviation for a data set that has a mean of 16 and a variance of 144?
a.8
b.12
c.16
d.4
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