Mathematics, 27.06.2020 05:01 dward5823
The transportation system of buses and commuter trains in a large metropolitan area in Canada operates on the honor system. Train travelers are expected to buy their tickets before boarding the train, but only a small number of people will be checked on the train to see whether they bought a ticket. In an investigation of lost revenue from "cheaters" on a particular route, a random sample of 500 train travelers was taken, the results of which are recorded in the "Ticket".
A. Estimate with 95% confidence the proportion of all train travelers who do not buy a ticket.
B. Assuming that there are 1 million travelers per year and the fare is 3.00 estimate with 95% confidence the amount of revenue lost each year.
Answers: 1
Mathematics, 21.06.2019 17:00
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Mathematics, 21.06.2019 22:30
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Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?
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The transportation system of buses and commuter trains in a large metropolitan area in Canada operat...
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