Math Homework

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I am trying to understand a certain part of an equation. I
I am trying to understand a certain part of an equation … read more
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7. Two marbles are selected, one at a time from a jar of marbles
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Please help me solve this problem. The control department of a light bulb manufacturer randomly picks 4400 light bulbs from the production lot every week. The records show that, when there is no malfu… read more
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A bag contains a total of 20 batteries,k of which four are
A bag contains a total of 20 batteries,k of which four are defective. Selecting two at random, without replacement, determine the probability that none of the batteries you select are good.… read more
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A box of ten flashbulbs contains 3 defective bulbs. A random
A box of ten flashbulbs contains 3 defective bulbs. A random sample of 2 is selected and tested. Let X be the random variable associated with the number of defective bulbs in the sample a) find the pr… read more
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A bag contains a total of 20 batteries, of which four are defective.
A bag contains a total of 20 batteries, of which four are defective. Selecting two at random, without replacement, determine the probability that none of the batteries you select are good.… read more
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1. Your firm manufactures computers. You are sent a very larg
1. Your firm manufactures computers. You are sent a very large shipment of chips by a supplier. You want to accept this shipment only if ten percent or less of the chips are defective, which is the su… read more
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Two-Sample Tests of Hypotheses Discuss the following question from the perspective of using a single sample of our light bulbs to test whether our bulbs are twice as good as the competition's bulbs. W… read more
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The control department of a light bulb manufacturer randomly
The control department of a light bulb manufacturer randomly picks 4400 light bulbs from the production lot every week. The records show that, when there is no malfunction, the defect rate in the manu… read more
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Two questions the second question is loaded in the mediafire
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For Dan, please see my 5 questions (intro to probability) at
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17. A single Die is Rolled one time Determine the Probility
17. A single Die is Rolled one time Determine the Probility of rolling an odd number or a number greater than 4. 10.A box contains 4 defective and 6 good light bulbs. If two lightbulbs are to be selec… read more
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A new company manufactures energy efficient light bulbs. The
A new company manufactures energy efficient light bulbs. The CEO claims that an average light bulb lasts 360 days. A researcher randomly selects 25 bulbs for testing. The sampled bulbs last an average… read more
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1.) A new company manufactures energy efficient light bulbs.
1.) A new company manufactures energy efficient light bulbs. The CEO claims that an average light bulb lasts 360 days. A researcher randomly selects 25 bulbs for testing. The sampled bulbs last an ave… read more
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You have made 10 computer chips and placed them into a bag.
You have made 10 computer chips and placed them into a bag. You know that 4 out of the 10 computer chips are defective. What are the chances (probability) that you will pull 3 defective chips from the… read more
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Four defective flashlight batteries are mistakenly mixed with
Four defective flashlight batteries are mistakenly mixed with two non-defective falshlight batteries which all look identical. If you randomly choose 2 batteries without replacement, what is the proba… read more
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1.with one method of acceptance sampling, a sample of items
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