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Andru [333]
3 years ago
5

Chemicals in butter-flavoring: Workers in a microwave popcorn production plant in Missouri breathe chemicals that are part of th

e butter-flavoring. Are these workers at greater risk of developing lung problems? To investigate this question, 135 workers at the plant receive a survey, and 117 respond.
Researchers want to compare workers in the popcorn production area with workers who have jobs in other parts of the plant. People in these other jobs are not directly exposed to the butter flavorings. Of the 97 workers in the production area, 30 reported experiences of “shortness of breath.” Of the 20 workers in other jobs, only 1 reported “shortness of breath.”

What can we conclude from this study?
Mathematics
2 answers:
tankabanditka [31]3 years ago
8 0

Answer:

The study was found that 1/3 of 97 were short of breath and 1 of 20 were reported to have shortness of breath else where.

The conclusions would be environmental factors such as production environment, alongside exposure preventives would need to be considered for new report. The other workers cannot be used as part of contrast due to the sample data being under 30 for other workers.  Sample data can only be used if it is over 30 for such comparison (contrast) tests.

Step-by-step explanation:

Alborosie3 years ago
6 0
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An exponential function is a function defined by y = ab^x, where a represents the initial value, and b represents the rate

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From the graph, we have the following ordered pairs

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Given that:

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At point (0,270), we have:

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ab^{1.5} = 80

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Divide both sides by 270

b^{1.5} = 0.2963

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b =0.44

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<h3>(b) The factor at which the medicine decreased in the first half hour, and the first hour</h3>

In (a), we have:

The decay factor (b) to be 0.44

This represents the factor at which the medicine decreased throughout.

Hence, the medicine decrease in the first half hour, and the first hour at a factor of 0.44

<h3>(c) The exponential equation</h3>

In (a), we have:

a= 270

b = 0.44

So, the exponential equation is:

y =270 * 0.44^x

In terms of m and h, we have:

m =270 * 0.44^h

Hence, the equation relating m to h is m =270 * 0.44^h

Read more about exponential equations at:

brainly.com/question/11832081

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2 years ago
PLEASE HELP ME !!! An apparel company uses a trucking service to deliver products from its warehouse to its retail outlets. For
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Let distance between warehouse and retail outlets be x miles.

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Our total delivery charges for x miles will be,

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The apparel company should service those outlets for whom delivery cost will be less than $950.

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Below in bold.

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