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Rh blood types. Human blood is typed as O, A, B, or AB and also as Rh-positive or Rh-negative. ABO type and Rh-factor type are independent because they are governed by different genes. In the American population, 84% of people are Rh-positive. Use the information about ABO type in given Exercise to give the probability distribution of blood type (ABO and Rh) for a randomly chosen person.
Exercise Distribution of blood types. All human blood can be "ABO-typed" as one of O, A, B, or AB, but the distribution of the types varies a bit among groups of people. Here is the distribution of blood types for a randomly chosen person in the United States
Blood Type
A
B
AB
O
U.S. Probability
0.42
0.11
?
0.44
(a) What is the probability of type AB blood in the United States?
(b) 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 person from the United States can donate blood to Maria?
A telephone call arrived at a switchboard at random within a one-minute interval. The switch board was fully busy for 15 seconds into this one-minute period. What is the probability that the call arrived when the switchboard was not fully busy?
question hallux abducto valgus call it havis a deformation of the big toe that often requires surgery. doctors used
a. Fit a simple linear regression model by ordinary least squares and obtain the residuals. Also obtain s{b0} and s{b1}. b. Plot the residuals against time and explain whether you find any evidence of positive autocorrelation.
population 1 mean 36 and population 2 mean 45. both population standard deviations are 10. sample size per group 16.
1. Given a population where the proportion of items with a desired attribute is p = 0.25, if a sample of 400 is taken,
Does thus data support the researchers' hypothesis? Test the relevant hypothesis using a = .1 by first calculating a p-value.
There is a famous saying in statistics that "Correlation does not imply causation". Please address the following questions:
Impact of Exchange Rates on MNC Val Olmsted Co. has small computer chips assembled in Poland and transports the final assembled products to the parent, where they are sold by the parent in the United States. The assembled products are invoiced in ..
Discuss how validity and reliability will be achieved. Explain how the data will be physically collected. Explain where data will be stored and how it will be protected.
heres the question suppose that in a certain population of married couples 30 of the husbands smoke 20 of the wives
The US Mint selects ten pennies from the production line to test the hypothesis that the mean weight of each penny is 5 grams. The normally-distributed weights (in grams) of these pennies are as follows:
What is the calculated t value? Are the mean test scores of these two groups significantly different at the .05 level?
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