Mathematics, 27.06.2019 16:10, awh1088
The article “evaluating tunnel kiln perfor-mance” (amer. ceramic soc. bull., aug. 1997: 59–63) gave the following summary informationfor fracture strengths (mpa) of n=169 ceramicbars fired in a particular kiln: x=89: 10; s=3: 73.a. calculate a (two-sided) confidence intervalfor true average fracture strength using a con-fidence level of 95%. does it appear that trueaverage fracture strength has been preciselyestimated? b. suppose the investigators had believed apriori that the population standard deviationwas about 4 mpa. based on this supposition, how large a sample would have been requiredto estimatemto within .5 mpa with 95%confidence?
Answers: 3
Mathematics, 21.06.2019 15:00, m4167281
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Mathematics, 21.06.2019 17:10, ohartshorn3670
Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.
Answers: 3
Mathematics, 21.06.2019 20:30, Trinhphuongtran
You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box
Answers: 2
The article “evaluating tunnel kiln perfor-mance” (amer. ceramic soc. bull., aug. 1997: 59–63) gave...
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