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Suppose you were trying to decide which of two machines to purchase. Furthermore, suppose the length to which the machines cut a particular product part was important. If both machines produced parts that had the same average length, what other consideration regarding the lengths would be important? Why?
a) Median length, avoiding outliers
b) Variability, greater variation is more desirable
c) Variability, less variation is more desirable
d) Total length, which machine is better overall
Determining probability values using the Binomial distribution.Use the Binomial distribution to determine the probability that four or more of the contracts are in breach of the tendering guidelines.
Determine the probability that mean annual snowfall during 40 randomly picked years will exceed 111.8 inches?
Use exponential smoothing to develop simple, trend (Holt's), and seasonal models (both simple and trend) for forecasting the quarterly revenue from 1-year batteries.
Draw a scatterplot indicating a strong negative relationship between the variables pf income and mental illness. Be sure to label the axes correctly.
The random variable x, which is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the probability of an occurrence is the same in any two time periods of an equal length. It is known that the mean number..
Explain finding value of test statistic for the given data also interpret the result. Can Mr. Ratter compute which the mean weight of the bags is less than 50 pounds.
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A sample of 200 traffic accidents this year showed 74 persons were also involved in another accident within the last five years. Use the .01 significance level. Can we use z as the test statistic? Tell why or why not.
Citing significant strides in math and science by women of all ethnic backgrounds, the College Broad says that the male-female gap on Scholastic Assessment Test scores continue to narrow among high school students.
Student A and B took different statistics classes and 2 different finals. Student A had a score of 83 out of 100 and ranked 72 in his class. Student b scored 85 out of 100 and he ranked in the 70 percentile of his class.
The following table is based on information taken from the Medical Practice Characteristics section of the Statistical Abstract of the United States
Compute the probability that randomly chosen student with a Master's degree majored in English or mathematics?
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