Blood types: The blood type O negative is called the "universal donor" type, because it is the only blood type that may safely be transfused into any person. Therefore, when someone needs a transfusion in an emergency and their blood type cannot be determined, they are given type O negative blood. For this reason, donors with this blood type are crucial to blood banks. Unfortunately, this blood type is fairly rare; according to the Red Cross, only 7% of U.S. residents have type O negative blood. Assume that a blood bank has recruited 19 donors. Round your answers to four decimal places. Part: 0 / 3 Part 1 of 3 (a) What is the probability that two or more of them have type O negative blood? The probability that two or more of them have type O negative blood is X

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Blood types: The blood type O negative is called the "universal donor" type, because it is the only blood type that may safely be transfused into any person.
Therefore, when someone needs a transfusion in an emergency and their blood type cannot be determined, they are given type O negative blood. For this
reason, donors with this blood type are crucial to blood banks. Unfortunately, this blood type is fairly rare; according to the Red Cross, only 7% of U.S. residents
have type O negative blood. Assume that a blood bank has recruited 19 donors. Round your answers to four decimal places.
Part: 0 / 3
Part 1 of 3
(a) What is the probability that two or more of them have type O negative blood?
The probability that two or more of them have type O negative blood is
x
Transcribed Image Text:Blood types: The blood type O negative is called the "universal donor" type, because it is the only blood type that may safely be transfused into any person. Therefore, when someone needs a transfusion in an emergency and their blood type cannot be determined, they are given type O negative blood. For this reason, donors with this blood type are crucial to blood banks. Unfortunately, this blood type is fairly rare; according to the Red Cross, only 7% of U.S. residents have type O negative blood. Assume that a blood bank has recruited 19 donors. Round your answers to four decimal places. Part: 0 / 3 Part 1 of 3 (a) What is the probability that two or more of them have type O negative blood? The probability that two or more of them have type O negative blood is x
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What is the probability that fewer than four of them have type O negative blood?

 

The probability that fewer than four of them have type O negative blood is? 
 
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