Mathematics, 16.11.2019 07:31 svarner2001
The american red cross says that about 45% of the u. s. population has type o blood, 40% type a, 11% type b, and the rest type ab. a) someone volunteers to give blood. what is the probability that this donor 1. has type ab blood? 2. has type a or type b? 3. is not type o? b) among four potential donors, what is the probability that 1. all are type o? 2. no one is type ab? 3. they are not all type a? 4. at least one person is type b?
Answers: 1
Mathematics, 21.06.2019 19:00
What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3
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Mathematics, 21.06.2019 19:30
Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?
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Mathematics, 21.06.2019 19:40
The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол
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Mathematics, 21.06.2019 20:30
Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?
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