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Three children. Jasmine has alleles A and O. Joshua has alleles B and O.
(a) What is the probability that a child of these parents has blood type O?
(b) If Jasmine and Joshua have three children, what is the probability that all three have blood type O? What is the probability that the first child has blood type O and the next two do not?
Four bald members of the same family are treated; let X be the number of successfully treated members of the family. Is X a binomial random variable? Explain.
(a) Find the probability that a randomly chosen adult who is obese also suffers from diabetes. Round your answer to 2 decimal places. (b) Find the probability that a randomly chosen adult is obese, given that he or she suffers from diabetes. Rou..
Interpret the R2 values for the models.- Give the null and alternative hypotheses for comparing the fits of Models 1 and 2.- Are the two models nested? Explain.
Two students at a university were to take a mid-term test in statistics. The night before the test the two students went to a party in another town and did not get back to the university in time for the test. They gave as an excuse to the lecturer..
a given projects expected duration along its critical path is 25 days. management wants to know the probability that
What type of educational background do CEOs have? In one survey, 344 CEOs of medium and large companies were asked whether they had an MBA degree. There were 97 MBAs
Plot the data; does it appear that a simple linear regression will be a suitable model - Fit a simple linear regression; estimate a slope and intercept.
after a pretty successful life financially you decide to give away your fortune to your five children. your fortune
When the rats In the sample reach 10 weeks old, each rat is weighed. The mean weight for this sample is M=974. Sketch the appropriate distribution, and locate the critical region for the alpha level =.05.
mortgage broker is offering home mortgages at a rate of 9.5%, but the broker is fearful that this valueis higher than many others are charging. A sample of 40 mortgages filed in the county courthouse shows anaverage of 9.25% with a standard deviation..
The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes and a standard deviation of 1 minute.
If statistically significant, do you think the difference is large enough to be important?
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