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The current in a certain circuit as measured by an ammeter is a continuous random variable X with the following density function:
a. Graph the pdf and verify that the total area under the density curve is indeed 1.
b. Calculate P(X ≤ 4). How does this probability compare to P(X <, 4)?="">
c. Calculate P(3.5 ≤ X ≤ 4.5) and also P(4.5 , X).
for the z-score equation if given the standard deviation as well as n how do we know whether to make the standard
surveys have become an important component of american life. they directly affect us in so many ways including public
Please show work and provide excel formulas for plots so that I can understand how to do the assignment. The density function of a continuous random variable X, the total number of hours, in units of 100 hours, that a family runs a vacuum cleaner ove..
Suppose we analyzed the effect of grade point averages on grades in a specific class and found the results to have an R-aquared value of 0.53. What do we know? Are there other factor, neith or fifty three percent of the variability?
Since she is allowed to reserve one time if her first serve is out what should her serving strategy be?
State the null hypothesis H 0 and the alternative hypothesis H 1 that we would use for this test. Determining null and alternative hypotheses for the height of a plant.
Calculate 95 percent and 99 percent confidence intervals for u(mean). Using the 99 percent confidence interval, can we be 99 percent confident that u(mean) is at least 42? Explain.
What is the difference between the Kruskal-Wallis test and the one-way ANOVA?
the chief loan officer of la crosse home mortgage company summarized the housing loans extended by the company in 2014
in the normal model n10016 for iqs what cutoff value bounds the highest 5 of all
Girls are needed to ensure that a 95% confidence interval estimate for the differncein mean BMI between boys and girls has a margin of error not exceeding 2 units?
A 95% confidence interval for a population proportion yielded the interval (.678, .764). Show your work. 1. Compute the margin of error.
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