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Mathematics, 21.06.2019 18:30
The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truckββ$80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?
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Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
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Mathematics, 21.06.2019 20:20
Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?
Answers: 1
Mathematics, 21.06.2019 20:30
Find the value of x. give reasons to justify your solutions! h β ig
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Mathematics, 26.06.2019 22:20
Mathematics, 26.06.2019 22:20
History, 26.06.2019 22:20
Health, 26.06.2019 22:20
Mathematics, 26.06.2019 22:20
Mathematics, 26.06.2019 22:20
Chemistry, 26.06.2019 22:20