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4. Create a chart of Title vs. Length. Paste the chart into the document and discuss what the chart is showing. Are there any outliers? If so, which movie (s)?
A contract was given for the cost of making a new aircraft component. The actual cost, X, in $50,000, is predicted by the probability density function: f(x) = x for 0 <=x<=12-x for 1<x<=21. What is the expected cost to make the new aircraft?2. What is the cost X to build the aircraft for which the probability of exceeding X is 0.02?
Make a his-togram of the distribution of these 31 scores. Does your plot show outliers, clear skewness, or other non- Normal features? Using a calculator, find the mean and standard deviation of these scores.
A, B, C, D. If the order in which the truck visits the eight locations is chosen randomly, what is the probability that it will visit them in alphabetical order?
NBC TV news, in a segment on the price of gasoline, reported last evening that the mean price nationwide is $1.50 per gallon for self-serve regular unleaded.
A sample of n = 5 scores has a mean of M = 12. If one person with a score of X = 8 is removed from the sample, what will be the value of the new mean?
Determine whether the following situations represent a right, left or two-tailed test: In 1997, 43% of Americans 18 years or older participated in some form of charity work.
In the sample of 80 students, 9 were found to be overweight. At a= 0.01, is there adequate evidence to reject claim using critical values?
A company that depends heavily on advertising for selling its products wants to know if its various advertising media have different effectiveness relative to the age of the customer.
While 290 out of 400 in Batavia preferred the same flavor. To test the hypothesis that there was no difference in preferences in the two towns, what is the alternate hypothesis?
An automobile assembly line operation has a scheduled mean completion time of 2.2 minutes. Because of the effect of completion time on both preceding and subsequent assembly operations, it is important to maintain the 2.2 minute mean completion ti..
In Excel use the Descriptive Statistics and comment on the mean, the skewness, the standard deviation and kurtosis.
Express the null hypothesis and the alternative hypothesis in symbolic form: An entomologist writes an article in a scientific journal, which claims that fewer than 7 in ten thousand male fireflies are unable to produce light due to a genetic muta..
Calculate the standard deviation of the sample mean for samples of size 1, 4, 25, 100, 250, 500, 1000, and 5000. Graph your results with the sample size on the x axis and the standard deviation on the y axis.
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