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20-12-2022
Mathematics

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According to the American Red Cross, 10.2% of all Connecticut residents have Type B blood. A random sample of 15 Connecticut residents is taken.

X
=
the number of CT residents that have Type B blood, of the 15 sampled.

What is the expected value of the random variable
X
?

1.275
1.29
1.725
1.515
1.53
1.695

According to the American Red Cross 102 of all Connecticut residents have Type B blood A random sample of 15 Connecticut residents is taken X the number of CT r class=

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