From a random sample of workers at a large corporation you find that 58% of 200 went on a vacation last year away from home for at least a week.

What is the margin of error for the 95% confidence interval of (0.50, 0.66) of coworkers who went on a vacation last year away from home for at least a week?

Question 2 options:

a) 

0.08

b) 

0.04

c) 

0.16

d) 

0.58

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From book: Engineering Economy by Ted Eschenbach

5- Problem12.14- A conveyor was purchased for $40,000. Shipping and installation costs were $15,000. It was expected to last 6 years, when it would be sold for $5000 after paying $3000 for dismantling.

Instead,it lasted 9 years, and several workers were permitted to take it apart on their own time for reassembly at a private technical school. How much of again, loss, or recaptured depreciation is there? Assume:

(a)7-yearMACRS.

(b)Straight-line.

(c)Double-declining balance with switch to straight-line.

(d)SOYD

please complete in an Excel doc, thank you!

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From April 3 to April 24, 2001, nine cases of pneumonia occurred in elderly residents (median age of 86 years) living at a long-term care facility in New Jersey. Seven of the nine patients had Streptococcus pneumoniae isolated from blood cultures, with capsular serotyping revealing that all isolates were serotype 14 and of the same clonal group. Seven of the nine patients also lived in the same wing of the nursing home. The two patients that were culture negative did contain gram-positive diplococci in their sputum and had chest X-rays consistent with pneumonia. Epidemiological studies of the patients and controls revealed that all who developed pneumonia had no documented record of vaccination with the pneumococcal polysaccharide vaccine (PPV). In contrast, about 50% of the controls were vaccinated with PPV. Even though other risk factors were assessed, the lack of vaccination with PPV was the only one strongly associated with illness. Unfortunately, despite treatment, four of the nine patients with pneumonia died.

Once the outbreak was recognized, PPV was offered to those 55 residents who had not yet been vaccinated: 37 of these were vaccinated, whereas the other 18 were either ineligible or refused the vaccine. Other control measures included refusal to admit patients without a history of PPV vaccine.

–         What special advantage does the capsule confer on the pathogen Streptococcus pneumoniae?

–         Why are those who have been vaccinated against Streptococcus pneumoniae more resistant to infection by this agent?

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I need help on these questions.

from Mary Barton by Elizabeth Gaskell (1810-1865), written in 1848 when she was a minister’s wife in Manchester, England.

1. How does she use imagery to create the experience of the mill workers in a paragraph
2. How does she use repetition to create the experience of the mill workers in a paragraph
3. How does she use diction to create the experience of mill workers in a paragraph

With all this, Mary had not her father’s confidence in the matters which now began to occupy him, heart and soul; she was aware that he had joined clubs, and become an active member of the Trades’ Union, but it was hardly likely that a girl of Mary’s age (even when two or three years had elapsed since her mother’s death) should care much for the differences between the employers and the employed—an eternal subject for agitation in the manufacturing districts, which, however it may be lulled for a time, is sure to break forth again with fresh violence at any depression of trade, showing that in its apparent quiet, the ashes had still smouldered in the breasts of a few.

Among these few was John Barton. At all times it is a bewildering thing to the poor weaver to see his employer removing from house to house, each one grander than the last, till he ends in building one more magnificent than all, or withdraws his money from the concern, or sells his mill, to buy an estate in the country, while all the time the weaver, who thinks he and his fellows are the real makers of this wealth, is struggling on for bread for his children, through the vicissitudes of lowered wages, short hours, fewer hands employed, etc. And when he knows trade is bad, and could understand (at least partially) that there are not buyers enough in the market to purchase the goods already made, and consequently that there is no demand for more; when he would bear and endure much without complaining, could he also see that his employers were bearing their share; he is, I say, bewildered and (to use his own word) “aggravated” to see that all goes on just as usual with the millowners. Large houses are still occupied, while spinners’ and weavers’ cottages stand empty, because the families that once filled them are obliged to live in rooms or cellars. Carriages still roll along the streets, concerts are still crowded by subscribers, the shops for expensive luxuries still find daily customers, while the workman loiters away his unemployed time in watching these things, and thinking of the pale, uncomplaining wife at home, and the wailing children asking in vain for enough of food—of the sinking health, of the dying life of those near and dear to him. The contrast is too great. Why should he alone suffer from bad times?

I know that this is not really the case; and I know what is the truth in such matters; but what I wish to impress is what the workman feels and thinks. True, that with child-like improvidence, good times will often dissipate his grumbling, and make him forget all prudence and foresight.

But there are earnest men among these people, men who have endured wrongs without complaining, but without ever forgetting or forgiving those whom (they believe) have caused all this woe.

Among these was John Barton. His parents had suffered; his mother had died from absolute want of the necessaries of life. He himself was a good, steady workman, and, as such, pretty certain of steady employment. But he spent all he got with the confidence (you may also call it improvidence) of one who was willing, and believed himself able, to supply all his wants by his own exertions. And when his master suddenly failed, and all hands in the mill were turned back, one Tuesday morning, with the news that Mr. Hunter had stopped, Barton had only a few shillings to rely on; but he had good heart of being employed at some other mill, and accordingly, before returning home, he spent some hours in going from factory to factory, asking for work. But at every mill was some sign of depression of trade! some were working short hours, some were turning off hands, and for weeks Barton was out of work, living on credit. It was during this time that his little son, the apple of his eye, the cynosure of all his strong power of love, fell ill of the scarlet fever. They dragged him through the crisis, but his life hung on a gossamer thread. Everything, the doctor said, depended on good nourishment, on generous living, to keep up the little fellow’s strength, in the prostration in which the fever had left him. Mocking words! when the commonest food in the house would not furnish one little meal. Barton tried credit; but it was worn out at the little provision shops, which were now suffering in their turn. He thought it would be no sin to steal, and would have stolen; but he could not get the opportunity in the few days the child lingered. Hungry himself, almost to an animal pitch of ravenousness, but with the bodily pain swallowed up in anxiety for his little sinking lad, he stood at one of the shop windows where all edible luxuries are displayed; haunches of venison, Stilton cheeses, moulds of jelly—all appetising sights to the common passer-by. And out of this shop came Mrs. Hunter! She crossed to her carriage, followed by the shopman loaded with purchases for a party. The door was quickly slammed to, and she drove away; and Barton returned home with a bitter spirit of wrath in his heart to see his only boy a corpse!

Thank you so much in advance!!!

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