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Mila [183]
3 years ago
7

Can someone help me plesssss

Mathematics
2 answers:
kondor19780726 [428]3 years ago
5 0
For some reason I can’t see your picture, can you try to post it again?
solniwko [45]3 years ago
4 0
I don’t think I can see your picture clearly- can you take it again? ❤️
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The graph below is a function.<br><br> True or false?
Citrus2011 [14]

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3 years ago
A survey reported in Time magazine included the question ‘‘Do you favor a federal law requiring a 15 day waiting period to purch
galben [10]

Answer:

Step-by-step explanation:

Confidence interval for the difference in the two proportions is written as

Difference in sample proportions ± margin of error

Sample proportion, p= x/n

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n = number of samples

For the men,

x = 318

n1 = 520

p1 = 318/520 = 0.61

For the women

x = 379

n2 = 460

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Margin of error = z√[p1(1 - p1)/n1 + p2(1 - p2)/n2]

To determine the z score, we subtract the confidence level from 100% to get α

α = 1 - 0.95 = 0.05

α/2 = 0.05/2 = 0.025

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= 1.96 × √0.0004575 + 0.00032086957)

= 0.055

Confidence interval = 0.61 - 0.82 ± 0.055

= - 0.21 ± 0.055

3 0
3 years ago
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