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Convert the following SAT scores into new distributions with a mean of 50 and a standard deviation of 2.
What new score equals an SAT score of 570?
What new score equals an SAT score of 390?
What new score equals an SAT score of 632?
Accident records given by an insurance company give the following information. The probability that an insured driver has an accident is 0.15. If an accident occurs, the damage to the vehicle amount to 20% of its market value 80% of the time
A financier whose specialty is investing in comedy shows has observed that, in general, shows with "big- name" stars seem to generate more revenue than those shows whose stars are less well known.
Construct a frequency distribution of the sample mean, and plot a histogram of this distribution. Use the central limit theorem to calculate and identify the sampling distribution of the sample mean.
If we were to ask three people at arbitrary, determine the probability that they will all prefer punk rock?
imagine you are a member of the erp project steering committee. your task is to recommend a model or framework for the
The central district students failed. Develop a probability tree showing all marginal, conditional and joint probabilities. Develop a joint probability table.
I have been approached by a pharmaceutical company that has developed a new drug, which is supposed to be effective in the treatment of schizophrenia.
In a few sentences, describe two designs that can address your research question. The designs must involve two different statistical analyses.
lowering the price does not decrease this behavior and we should not decide to lower prices based on this research." Comment on the executive's conclusion. What type of inference is being made? Will the decision not to lower prices be a good one.
Roadmarking shall be determined by the retroreflectivity performance of glass beads in the road marking. The roadmarking average level of reflectivity over the City is to be not less than 150 mcd/sqm/lx and the minimum aceptable reflectivity is 120 m..
Critically illustrate out the term standard deviation. Define mathematical averages. Why is the standard deviation less than the mathematical average?
Let"s redesign the Steak experiment so that in addition to 4 packaging methods, we have two storage temperatures -- Low, High. We have 16 steaks available. How do we randomly assign them?
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