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1) In San Francisco, 30% of workers take public transportation daily. In a sample of 10 workers,
a. Clearly state what the random variable in this problem is?
b. What is an appropriate distribution to be used for this problem and why?
c. What is the probability that exactly three workers take public transportation daily?
d. What is the probability that NONE of workers take public transportation daily?
e. What is the probability that more than five workers take public transportation daily?
f. What is the probability that less than seven workers take public transportation daily?
g. What is the probability at least two but no more than eight workers take public transportation daily?
Which distribution is preferred by a Rawlsian Social Welfare Function? Assume that utility is defined as u, = m, and recall that Rawlsian Social Welfare function would be equal to the minimum utility experienced by any person under the allocation
Use the data to the right to obtain a point estimate of the mean annual premium for all men aged between 20 and 24. Round your answer to the nearest dollar.
The way in which this significance is tested using both non parametric and parametric statistics can be thought of as answering one from a series of questions. Which one of the questions below is the odd one out
A rocket fires two engines simultaneously. One produces a thrust of 800N directly forward while the other gives a thrust of 508N at an angle 38.2^circ above the forward direction.
You want to prove that a population mean is not 7. Data is ratio and a large sample size will be used (n = 225). When the sample is done the sample mean is computed to be 7.2 and the sample standard deviation is 1.5.
Should the state continue to operate the weigh station itself or should it outsource it to one of the two companies? If it should outsource it, which company should the state select. Show your work and base your decision on the economics of the op..
Class of 22 obtains a mean of 92 and a standard deviation of 4. Is he correct in assuming that the performance of the most recent class is significantly better than that of other classes?
What is the probability that the customer is from the Midwest and customer service is fair?- If the customer is from the North, what is the probability that customer service is excellent?
you wish to test the claim that u gt 11 at a level of significance of ? 0.05 and are given sample statistics n 50
Hannah and Jacob both have alleles A and B.- What blood types can their children have?- What is the probability that their next child has each of these blood types?
Find the critical value z that corresponds to the given confidence level of 90%.
An insurance company insures four large risks. The number of losses for each risk is independent and identically distributed on the points {0, 1, 2} with probabilities 0.7, 0.2, and 0.1, respectively. The size of an individual loss has the followi..
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