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In the U.S., about 6.6% of people are O− for blood type. You take a sample...

In the U.S., about 6.6% of people are O− for blood type. You take a sample of size 11. You're interested in people who are O−. Figure out the following probabilities:

a) Pr{Y = 3}

b) Pr{Y = 1}

c) Pr{Y < 1}

d) Pr{Y > 0} (hint - use (c) to answer this and make sure you know why this works)

Math   Statistics-And-Probability   
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