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In 1896, the Dow Jones Industrial Average was at 40. The Dow is a price index and does not include dividend reinvestment. In 1998, the Dow crossed 9000. If the dividends had been reinvested, what do you think the value of the Dow would be?
From the magazine's findings, and assuming a normal distribution, determine the 95% confidence interval for the population standard deviation of the force required to depress the firm's aspi- rin bottle caps.
The times it takes workers to complete a task at a certain assembly plant are normally distributed with mean = 10 minutes and standard deviation = 2 minutes.
suppose we select an srs of size n 100 from a large population having proportion p of successes. let x be the number
Give a 95% confidence interval for the mean bleeding time under pressure for the six persons and draw some conclusion as to whether pressure increases bleeding time.
Printed circuit cards are placed in a functional test after being populated with semiconductor chips. A lot contains 140 cards, and 20 are selected without replacement for functional testing.
The numbers of years served by selected past members of the U.S. Supreme Court is listed below. Find the percentile rank for each value. Which value corresponds to the 40th percentile? Construct a boxplot for the data and comment on their shape.
A population has a mean of 85 and SD of 9. If many samples of size n = 100 are randomly drawn from the population, approximately what proportion
Determine a 95% confidence interval for the difference in the mean reductions in blood pressure, assuming that the measurements are normally distributed with equal variances.
Bloomington Co. is a large U.S.-based MNC with large subsidiaries in Germany. It has issued stock in Germany in order to establish its business. It could have issued stock in the United States and then used the proceeds in order to support the gro..
In statistics, How would you interpret the direction of the line in which all data points fall on the diagonal line? for correlation.
Explain how it would benefit Optimistic Enterprises to determine to calculate the accuracy of forecasts.
1.p.t. barnum is concerned about the health of his star trapeze artist. if the artist is capable of performing a triple
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