Decide whether the exercise involves permutations or combinations,and then solve the problem.Marbles are being drawn without replacement from a bag containing15 marbles.(a) How many samples of 3 marbles can be drawn?(b) How many samples of 4 marbles can be drawn?(c) If the bag contains 3 yellow, 2 white, and 10 blue marbles, howmany samples of 3 marbles can be drawn in which all marbles areblue?Does the problem involve permutations or combinations?CombinationsPermutations(a) How many samples of 3 marbles can be drawn?455 samples(b) How many samples of 4 marbles can be drawn?1365 samples(c) If the bag contains 3 yellow, 2 white, and 10 blue marbles, howmany samples of 3 marbles can be drawn in which all marbles areblue?samples

The permutation is defined as the arrangement of a number or object. In permutation the order of the…

Answered: Decide whether the exercise involves…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Corey has a bag that contains orange chews, cherry chews, and watermelon chews. He performs an experiment. Corey randomly removes a chew from the bag, records the result, and returns the chew to the bag. Corey performs the experiment 54 times. The results are shown below: A orange chew was selected 18 times. A cherry chew was selected 4 times. A watermelon chew was selected 32 times. If the experiment is repeated 1400 more times, about how many times would you expect Corey to remove a watermelon chew from the bag? Round your answer to the nearest whole number.
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It’s that time of year again at Isaac’s Fireworks Store! New Year’s! Sale! Sale! Sale! However, Isaac is less than excited because last year he had a lot of complaints about a large number of defective fireworks that he sold. Isaac wants to know what percentage of his firework stock is defective. First, he plans to test his bottle rockets, so he takes a sample of 200 randomly chosen bottle rockets and he tests them. Of the 200, 14 failed. Construct a 80% confidence interval for the true proportion of bottle rockets that will fail.
I2
In a survey, it was found that 80% of adults operate the flusher of toilets in public restrooms with their foot. (a) If 300 adults are randomly selected, how many would we expect to flush toilets in public restrooms with their foot? (b) Would it be unusual to observe 270 adults who flush toilets in public restrooms with their foot?
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