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Olin [163]
3 years ago
9

7. A battery manufacturer makes batteries that have a failure rate of .015. That is, 15 out of each 1,000 batteries are defectiv

e. What is the probability that a batch of 10,000 batteries will contain at least 175 defective batteries?
Mathematics
1 answer:
azamat3 years ago
3 0
The answer to this probability question is .86 or 86%. The probability that a batch of 10,000 batteries will contain at least 175 defective batteries is  86 percent. I calculated the failure rate of 10,000 batteries (10k*.015) and yielded 150, meaning there will be 150 batteries that will be defective in a set of 10,000. Then i divided 150 by 175 to get the probability.
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{3x=7y=5<br> {5x-2y=-19
Anton [14]

Answer:

(-3, 2)

Step-by-step explanation:

{3x=7y=5

{5x-2y=-19

solve....

maybe it was  3x + 7y = 5

and  5x - 2y = -19

2*(3x + 7y = 5)

7*(5x - 2y = -19)

-------------

6x + 14y = 10

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41x = -123

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(-3, 2)

7 0
2 years ago
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Vesna [10]

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your answer is 13.

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3 0
3 years ago
The ratio of two numbers is 1:4, and the sum of these numbers is 40. Find the numbers
Irina-Kira [14]
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Check=

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