Mathematics, 25.10.2019 01:43, hannahsambrano12
The edge roughness of a slit paper products increases as knife blades wear. only 1% of products slit with new blades have rough edges, 3% of products shot with blades of average sharpness exhibit roughness, and 5% of the products slit with worn blades exhibit roughness. if 25% of the blades in manufacturing are new, 60% are of average sharpness, and 15% are worn blades.
a. what is the proportion of products that exhibit edge roughness?
b. if a paper was selected at random and found that it has rough edges, what is the probability that it was slit by a new knife blades?
c. if a paper was selected at random and found that it has rough edges, what is the probability that it was slit with a blade of average sharpness blades or worn blades?
Answers: 2
Mathematics, 21.06.2019 13:50, daytonalive7193
Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean
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Mathematics, 21.06.2019 23:40, thetudent41
Let x = a + bi and y = c + di and z = f + gi. which statements are true?
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The edge roughness of a slit paper products increases as knife blades wear. only 1% of products slit...
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