Consider a random sample of n = 11 people who donated blood over the past three months. The expected number of people with blood type O+is and the expected number of people with blood type A-is Round...



t the Blood Bank, they know thatO+ blood is the most common blood type and that 40%40% of the people are known to haveO+ blood. Blood typeA- is a very scarce blood type and only 6%6% of the people haveA- blood. Half of the people have blood typeA orB.


Let:



  • X=X= number of people who have blood typeO+

  • Y=Y= number of people who have blood typeA-

  • Z=Z= number of people who have blood typeA orB





Consider a random sample of n = 11 people who donated blood over the past three months.<br>The expected number of people with blood type O+is<br>and the expected number of people with blood type A-is<br>Round your answers to 2 decimal places.<br>Calculate the following probabilities:<br>P(X = 4) =<br>Round your answer to 4 decimal places.<br>o P(X > 1) =<br>Round your answer to 4 decimal places.<br>

Extracted text: Consider a random sample of n = 11 people who donated blood over the past three months. The expected number of people with blood type O+is and the expected number of people with blood type A-is Round your answers to 2 decimal places. Calculate the following probabilities: P(X = 4) = Round your answer to 4 decimal places. o P(X > 1) = Round your answer to 4 decimal places.

Jun 10, 2022
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