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Author Question: If the variability of a set of data is very small, then the sample variance may be negative. ... (Read 96 times)

kfurse

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on: Jul 24, 2018
If the variability of a set of data is very small, then the sample variance may be negative.
  Indicate whether the statement is true or false

Question 2

It was reported in a medical journal that about 70 of the individuals needing a kidney transplant find a suitable donor when they turn to registries of unrelated donors. Assume that a group of ten individuals needing a kidney transplant. Let x represent the number of individuals needing a kidney transplant who will find a suitable donor among the registries of unrelated donors. Consider a group of ten individuals needing a kidney transplant. Find the probability that no more than five will find a suitable donor among the registries of unrelated donors.


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Expo

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Reply #1 on: Jul 24, 2018
Answer to Question 1

F

Answer to Question 2

P(x = 0,1, 2, 3, 4, 5) = 0 + 0 + 0.001 + 0.009 + 0.037 + 0.103 = 0.15


kfurse

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

chereeb

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Reply 3 on: Yesterday
Excellent

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