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?
Answer:
Your answer is :
B. 6a^2 + 3ab
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Step-by-step explanation:
36 divided by 0.8 = 45
45 makers will be placed along the route