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1) Present an example of something you believe that is normally distributed along with a best guest to the mean and standard deviation. Briefly explain why you believe your example follows a normal distribution.
2) The heights of 10-year-old males are normally distributed with mean μ=55.9 and σ=5.7 inches. Suppose the area under the normal curve to the left of x = 46.5 is 0.0496. Provide two interpretations of this result. Be sure to identify by stating, "The first is...." and "The second is..."
The prior year, the population mean expenditure per household was $632. Discuss the change in holiday season expenditures over the one-year period.
we have a system consisting of four components. each component functions or fails each independently of the others. the
If -0.25 is a good estimation of population correlation, what sample size would be needed to achieve power of 0.80 at a=0.05?
A.) What statistical method will you use to come up with an estimate for the population average?
q1. consider the following stem and leaf plotstemnbspnbspnbspnbspnbspnbsp leaf1 nbsp nbsp nbsp nbsp 0 2 5 72 nbsp nbsp
This model is fit to the data using the method of least squares using statistical software, and the following parameter estimates and their standard errors are obtained.
There were 155 golfers participating in the second round that day. Estimate the probability that four golfers would score a hole in one on the sixth hole.
A certain vehicle emission inspection station advertises that the wait time for customers is less than 6 minutes.
Suppose that a box contains five coins, and that for each coin there is a different probability that a head will be obtained when the coin is tossed.
Forecast 2 out of sample forecasts for the final model using following data: Final Estimates of Parameters AR 1 0.9647 0.0388 24.84 0.000.
standard deviation = $23.86 million mortgage amount standard deviation = 2.58% interest rate. what is the equation that predicts mortgage amount from interest rate? compute the slope of the straight line.
Our nation's focus on crime has made a gradual shift away from drugs to what many perceive to be the major problem facing our criminal justice system today: juvenile crime,
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