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A random variable X with PDF f(x)=2xe^-x^2, where x>0. I need to draw a random sample of size 1000 from this distribution in Stata and obtain the sample mean and st. dev.
He argues that regression effect says people who do very poorly in their previous job tend to perform well in their next job. Is this what the regression effects? Describe in detail.
Determine the coefficient of determination (Use Megastat or Excel, Tools, Data Analysis, Regression function). Interpret the result.
A 95% confidence interval for µ is found to be 652 ± 21.56 = ($630.44, $673.56). Determine which of the following statements is true.
The Palace Hotel believes it's customers may be waiting too long for room service. The hotel operations manager knows that the time for room service orders is normally distributed and he sampled 10 room service orders during a 3-day period
Explain the decisions you made in the third cycle of the simulation. State the reasons for your decision and include an explanation of why you did not follow the recommendations of the stakeholders.
In conducting a hypothesis test to see if there is evidence that the population mean is less than 220, using a .03 significance level what will be your critical value?
Draw the suitable 2x2 table, compute and interpret suitable measure of association.
Draw a transition diagram. Write the Transition Matrix. If it rains on Thursday, what is the probability that the restaurant will be closed on Saturday? And on Sunday?
For the most recent year available, the mean annual cost to attend a private university in the United States was $20,182. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,400.
Assume we have a population of scores with a mean of 975 and a standard deviation of 15. Assume that the distribution is normal. Provide answers to the following questions:
State the null hypothesis and the alternate hypothesis. State the decision regarding the null hypothesis.
Determine the mean number of times the machine was used per day.
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