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lara [203]
3 years ago
13

How many people should we book for each flight? PLEASE HELP DKSVBSKSBS

Mathematics
1 answer:
kenny6666 [7]3 years ago
5 0
I’m pretty sure it’s the last one it would make the most sense because if someone doesn’t get their flight even though they pay for it they should get their refund and then they should get on the second flight they go to the same place they’re going so they would get their money and then pay for the second flight that would make the most sense.
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3 years ago
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What is the equation of a line that passes through point r(−3, 5) and has a slope of 4?
nexus9112 [7]
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4 years ago
A health research institute collects information from 20 individuals on the number of years they have spent smoking cigarettes,
olga55 [171]

The correlation coefficient of the health research institute data measures the relationship between the age and the years of the smokers

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<h3>How to calculate the correlation coefficient</h3>

The correlation coefficient (r) is calculated as:

r = \frac{n(\sum xy) - \sum x \sum y}{\sqrt{[n \sum x^2 - (\sum x)^2][n\sum y^2 - (\sum y)^2}}

Using the given parameters, we have:

r = \frac{20 *8249 - 1257* 116}{\sqrt{[20 * 98823 - 1257^2][20 * 836 - 116^2}}

Evaluate the exponents

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Evaluate the products

r = \frac{164980 - 145812}{\sqrt{[1976460 - 1580049][16720 - 13456}}

Evaluate the differences

r = \frac{19168}{\sqrt{[396411*3264}}

Evaluate the product

r = \frac{19168}{\sqrt{1293885504}}

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Evaluate the quotient

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Hence, the correlation coefficient is 0.53

Read more about correlation coefficient at:

brainly.com/question/1564293

8 0
3 years ago
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100c2 = 4950 \: combinations

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8 0
2 years ago
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vredina [299]
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