Biology

Biology, 17.10.2019 13:00, rayray9471

In the united states 45 of the population has type o blood. if you randomly

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Mathematics, 19.10.2019 00:10, AleOfficial101

Blood type ab is the rarest blood type, occurring in only 4% of the population in the united states. in australia, only 1.5% of the population has blood type ab. suppose a random sample of 50 u.s. residents and 40 australians is obtained. consider the random variables described below: x: the number of u.s. residents with blood type ab y: the number of australians with blood type ab what is the probability that exactly 2 of the u.s. residents have blood type ab? (note: some answers are rounded) 0.2762 0.04 0.1334 0.0988 0.2646

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Biology, 22.10.2019 18:50, mac7210

38% of people in the united states have type o+blood. you randomly select 50 people in the united states and record their blood type. a. what is the probability that exactly 20 have type o+blood? b. find the mean and standard deviation for this probability distribution. c. if you only select 8 people, what is the probability that at least one has type o+blood?

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Mathematics, 23.10.2019 07:50, szinx

Here is the probability model for the blood type of a randomly chosen person in the united states. blood type 0 a b ab probability 0.41 0.22 0.03 0.34 maria has type b blood. she can safely receive blood transfusions from people with blood types o and b. what is the probability that a randomly chosen american can donate blood to maria?

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