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k0ka [10]
3 years ago
7

A meat packaging plant uses a machine that packages chicken livers in six pound portions. A sample of 91 packages of chicken liv

ers has a standard deviation of 0.47. Construct the 98% confidence interval to estimate the standard deviation of the weights of the packages prepared by the machine. Round your answers to two decimal places.
Lower endpoint______ Upper endpoint__
Mathematics
1 answer:
Aneli [31]3 years ago
3 0

Answer:

it simple as look

Step-by-step explanation:

He y I a m r a v I t ha n k S

Wowowowowowowowowk

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A company has to buy computers and printers. Each computer costs $550 and each printer costs $390. If
kobusy [5.1K]

Answer:

Answer:the company bought 12 computers and 4 printers.

Step-by-step explanation:

Step-by-step explanation:

Let x represent the number of computers that the company bought.

Let y represent the number of printers that the company bought.

The company buys a total of 16 machines. It means that

x + y = 16

Each computer costs $550 and each printer costs $390. If the company spends $8160 for all the computers and printers that was bought, it means that

550x + 390y = 8160 - - - - - - - - - - 1

Substituting x = 16 - y into equation 1, it becomes

550(16 - y) + 390y = 8160

8800 - 550y + 390y = 8160

- 550y + 390y = 8160 - 8800

- 160y = - 640

y = - 640/ - 160

y = 4

Substituting y = 4 into x = 16 - y, it becomes

x = 16 - 4

x = 12

3 0
3 years ago
Read 2 more answers
My question is what is 809 times 56
Dmitrij [34]
809 * 56 =

Simply use your calculator.

45 304.
3 0
3 years ago
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How long will it take 680 dollars to earn 102 dollars in simple interest at an annual interest rate of 3%? Show your work in an
jenyasd209 [6]
Simple interest is where 3% of the original value is added on each year

goal number = $102

original number = $680
3% of $680 can be found by getting 1% and multiplying by 3
100% = original number = $680
100% / 100 = 1% so $680 / 100 = $6.80 = 1%
3% = $6.80 * 3 = $20.40

so each year the money rises by $20.40

to find out how many years it would take to get to $102:
$102 / $20.40 = 5 years


5 0
3 years ago
Which of these values is farthest from zero 0.75 -0.4 -2/3 7/8
Vilka [71]

The answer is 7/8. when converted into decimal , it becomes 0.8 something which is greater than all and so farthest from 0

4 0
3 years ago
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Solve x + 19 = 47.<br> Select one:<br><br> x = 893<br><br> x = 66<br><br> x = 28<br><br> x = 18
7nadin3 [17]

the answer is 28 hoped that helped

5 0
3 years ago
Read 2 more answers
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