Mathematics, 23.10.2019 03:50 keishadawson
For the following scenarios, • describe what the mean represents, and • set up h0 and ha related to (i. e. what hypotheses would you test to assess the specification/claim/belief? ) do not perform the hypothesis tests. a. a random sample of 30 pieces of acetate fiber has a sample mean absorbency of 15% with a sample standard deviation of 1.5%. is there strong evidence that this fiber has a true mean absorbency of more than 12%? b. a manufacturer of a synthetic fishing line claims that its product has a mean breaking strength of at least 9 kilograms. a random sample of n=20 fishing line specimens yields a sample average strength of 8.5 kilograms with sample standard deviation of 0.65 kilogram.
Answers: 1
Mathematics, 21.06.2019 17:00
Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on
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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 truck $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 21:30
A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position
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For the following scenarios, • describe what the mean represents, and • set up h0 and ha related t...
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