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lilavasa [31]
3 years ago
8

(c) In 2017, Lauren's monthly income of $1800 was 25% less than her monthly income in 2016.

Mathematics
2 answers:
murzikaleks [220]3 years ago
8 0

Answer: uwu

Step-by-step explanation:

uwu

drek231 [11]3 years ago
7 0

Answer:

$2400

Step-by-step explanation:

Let her monthly income in 2016 be x. The equation is x-(25%×x)=1800

x-(25x/100)=1800

x-x/4=1800

4x-x=7200

3x=7200

x=7200/3

x=2400

Hope it helps

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Critical probability (p*) = 1 - (Alpha / 2), where Alpha is equal to 1 - (the confidence level / 100), is the unit statisticians use to determine the margin of error within a set of data in statistics.

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CI = (X1_{1}  - X_{2}- z_{c} \sqrt{\frac{a_{1}^{2}}{n_{1} } + \frac{a_{2}^{2}}{n_{2} }}  ,  X1_{1}  - X_{2}+z_{c} \sqrt{\frac{a_{1}^{2}}{n_{1} } + \frac{a_{2}^{2}}{n_{2} }}  )

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To learn more about finding the critical value from the given link  

brainly.com/question/14040224

#SPJ4

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