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The average thickness of books on a library shelf is 8.3 centimeters.the standard deviation is 0.6 centimeter. If 20% of the books are oversied, find the minimum thickness of the oversized books on the library shelf. Assume the variable is normally distributed.
Assume a factory manager wishes to buy machines to perform a certain task in a production process. Certain key parts are produced by these machines.
They also know that the distribution of loss from fire has a skewed distribution; many have $0.00 losses and a few have large losses.
Search the library for a scholarly journal article of a study that presents the results using correlation analysis. Summarize the article, explain how the correlation was used, and the value of correlation analysis.
Assuming the nurses surveyed were a random sample from the population of all nurses in the United States, we can use these data to test the null hypothesis H0 that there is no association between the row and column variables in this two-way table...
A researcher hypothesizes that individuals who listen to classical music will score differently from the general population on a test of spatial ability. On a standardized test of spatial ability, µ =58.A random sample of 14 individuals who listen..
Can we conclude a difference in means? YES or NO (circle one)
The given data show the age distribution of top 14 doctors in emergency faculty of local hospital.
Compare the two sets and describe what you discover. The following data sets shows the ages of the first seven presidents (President Washington through President Jackson) and the seven most recent presidents including President Obama. Age is given..
When performing a 2-way ANOVA with replication you must first: A) Perform an interaction hypothesis test B) Take out the error because you ran replicates and error makes no sense with replicates
In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Research question: Are the ..
A drug company is considering marketing a new local anesthetic. The effective time of the anesthetic the company is currently producing has a normal distribution with an average of 7.5 minutes and a standard deviation of 1.2 minutes.
If random sample of 9 loads is selected for a weight check, determine the probability that mean weight of those loads is more than 40.60 tons.
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