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Rewrite the following arguments using letters to represent the terms, reduce the number of terms, and put the arguments into standard form. Then test the new forms with Venn diagrams or by means of the five rules for syllogisms to determine the validity or invalidity of the original arguments.
All aircraft that disintegrate in flight are unsafe planes. Therefore, no poorly maintained aircraft are safe planes, because all well-maintained aircraft are aircraft that remain intact in flight.
For two samples from what are assumed to be normally distributed populations, the sample size and standard deviations are n1 = 10, s1 = 23.5, n2 =9 and s2=10.4.
A question has these possible choices - excellent, very good, good, fair, and unsatisfactory. How many degrees of freedom are there using the goodness-of-fit test to the sample results?
Provide an example of a hypothesis test you could perform at work or at home. State what the Null and the Alternative hypotheses would be in your test.
Construct and interpret the 99% confidence interval for μ = the mean time until failure for all of the connectors from the production run.
List the four steps of hypothesis testing, and explain the procedure and logic of each. Based on the information given for the following studies, decide whether to reject the null hypothesis. Assume that all populations are normally distributed. Fo..
Use an appropriate test to determine if the reason for component failures is independent of their designs. Show your manual calculations here.
Following data from an x bar chart, is the process capable (capability index>1.33)?
find the standard normal area for each of the following round your answers to 4 decimal places.standardnormal areaa
Using the sample obtained, draw a histogram and calculate mean and variance for 1000 sampled values for random variable Y = X2.
Plot the time series and find a three-years moving average to the data and plot the results - Compute a linear trend forecasting equation and plot the trend line.
a company that manufactures bookcases finds that the average time it takes an employee to build a bookcase is 23 hours
a hair salon did a survey of 360 customers regarding satisfaction with service an type of customer. a walk-in customer
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