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4 years ago

HELP ME PPLS I LOVE U <33

Mathematics

1 answer:

S_A_V [24]4 years ago

5 0

Answer:

The surface area is about 395.2 cm^2.

Step-by-step explanation:

S = 2*(6.72*12.7 + 5.78*(6.72 +12.7))

.. = 2*(85.344 +5.78*19.42)

.. = 2*197.5916)

.. = 395.1832

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Step-by-step explanation:

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Find the slope of the line passing through the points (3,16) (8,18)

mojhsa [17]

Answer:

2/5

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3 years ago

If the outliers are not included, what is the mean of the data set?

ioda

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Elenna [48]

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3 years ago

In a certain city, there are about one million eligible voters. A simple random sample of size 10,000 was chosen to study the re

Ronch [10]

Answer:

REQUIRED TEST STATICS IS 35.19

Step-by-step explanation:

total size of sample = 10,000

men women

voted 2777 3466

did not vote 1444 2313

By chi square test we can find the relationship between gender and participation in the election

$X^2 = \frac{ N(ad-bc)^2}{(a+c)(b+d)+(a+b)(c+d)}$

where

a represent = 2777, b = 3466, c= 1444, d = 2313, N = 10000

Putting values to get chis square statics

$X^2 = \frac{ 10000(2777*2313-3466*1444)^2}{(2777+1444)(3466+2313)+(2777+3466)(1444+2313)}$

$X^2 = = 35.159$

HENCE REQUIRED TEST STATICS IS 35.19

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4 years ago