Mathematics, 27.11.2019 21:31 zay179
The quality control manager of a tire company wishes to estimate the tensile strength of a standard size of rubber used to make a class of radial tires. a random sample of 49 pieces of rubber from different production batches is subjected to a stress test. the test measures the force needed to break the rubber in pounds. according to the sample results, the average pressure is 250 pounds and the standard deviation is 42 pounds. determine the 95% confidence interval.
Answers: 2
Mathematics, 21.06.2019 12:30
The slope of a line is –2 and its y-intercept is (0, 3). what is the equation of the line that is parallel to the first line and passes through (2, 2)? a. 2x + y = 6 b. y = –2x + 3 c.y=1/2x +6 d.y=-2x-6
Answers: 1
Mathematics, 21.06.2019 16:40
According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units
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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 21:30
Plz ( true - false) all triangles have interior angles whose measure sum to 90.
Answers: 2
The quality control manager of a tire company wishes to estimate the tensile strength of a standard...
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