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tankabanditka [31]
2 years ago
11

(6+1) to the power of 2. For some reason I forgot how to do this.

Mathematics
2 answers:
VLD [36.1K]2 years ago
7 0

Answer:

49

Step-by-step explanation:

see the image below:)

lyudmila [28]2 years ago
6 0
Yeah sometimes I forget these things too.

Just add what’s in the bracket then square it.

(6+1)^2
7^2
= 49
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Step-by-step explanation:

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You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who ow
otez555 [7]

Answer:

Step-by-step explanation:

This is a test of 2 population proportions. Let 1 and 2 be the subscript for the men and women who own cats respectively. The population proportion of men and women who own cats would be p1 and p2 respectively.

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The null hypothesis is

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The alternative hypothesis is

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it is a two tailed test

Sample proportion = x/n

Where

x represents number of success

n represents number of samples

For men

n1 = 80

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x1 = p1n1 = 0.55 × 80 = 44

For women,

n2 = 100

p2 = 30/100 = 0.3

x2 = p2n2 = 0.3 × 100 = 30

The pooled proportion, pc is

pc = (x1 + x2)/(n1 + n2)

pc = (44 + 30)/(80 + 100) = 0.41

1 - pc = 1 - 0.41 = 0.59

z = (p1 - p2)/√pc(1 - pc)(1/n1 + 1/n2)

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5 0
3 years ago
Name the property the equation illustrates.
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8 0
3 years ago
Read 2 more answers
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erastovalidia [21]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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