Answer:
Step-by-step explanation:
<u>Use quadratic formula:</u>
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<u>Learn more: brainly.com/question/22286698</u>
I think the correct answer is c
Wrong person I pay someone to do my math for me :)
Answer:
babala
Step-by-step explanation:
The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.
a) What are the mean and standard deviation of the number of universal donors among the 6 people?
b) What is the probability that there are exactly three universal donors?