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Elenna [48]
3 years ago
5

Janeverything spent $42 for shoes this was $14 less than twice what she spent for a blouse how much was the blouse

Mathematics
1 answer:
alekssr [168]3 years ago
8 0
Let x be the price of the blouse.
42=2x-14
56=2x
28=x

The blouse was $28
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A study conducted in 2000 found that the mean number of children under 18 per household in a certain community was 1.7. A statis
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c). Two tailed test

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The given hypothesis are

Null hypothesis: H0:μ= 1.7

Alternative hypothesis: H1:μ≠ 1.7

The alternative hypothesis demonstrates that  mean number of children are not 1.7 in 2000. This means that mean number of children can be greater than 1.7 or mean number of children can be less than 1.7. Thus, the given alternative hypothesis indicates the two tailed test.

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The graph was made to compare the costs of taking two different taxis. What does the intersection mean for the two lines?
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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

<em>X^2 = \frac{ N(ad-bc)^2}{(a+c)(b+d)+(a+b)(c+d)}</em>

where

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

Putting values to get chis square statics

<em>X^2 = \frac{ 10000(2777*2313-3466*1444)^2}{(2777+1444)(3466+2313)+(2777+3466)(1444+2313)}</em>

<em>X^2 = = 35.159</em>

HENCE REQUIRED TEST STATICS IS 35.19

3 0
3 years ago
Someone please help me it's worth five points ;)))
Neporo4naja [7]
Answer to 1: 648
Answer to 2: 175
3 0
3 years ago
Read 2 more answers
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