Mathematics, 18.03.2021 01:20 JanetQ2002
The tar content in 30 samples of cigar tobacco follows:1.542 1.585 1.532 1.466 1.499 1.6111.622 1.466 1.546 1.494 1.548 1.6261.440 1.608 1.520 1.478 1.542 1.5111.459 1.533 1.532 1.523 1.397 1.4871.598 1.498 1.600 1.504 1.545 1.558(a) Is there evidence to support the assumption that the tar content is normally distributed?(b) Find a 99% CI on the mean tar content.(c) Find a 99% prediction interval on the tar content for the next observation that will be taken on this particular type of tobacco.(d) Find an interval that will contain 99% of the values of the tar content with 95% confidence.(e) Explain the difference in the three intervals computed in parts (b), (c), and (d).
Answers: 2
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Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv
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Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean
Answers: 2
The tar content in 30 samples of cigar tobacco follows:1.542 1.585 1.532 1.466 1.499 1.6111.622 1.46...
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