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frozen [14]
3 years ago
13

Write an equation and solve each problem. The ages of three brothers are consecutive integers with the sum of 96. How old are th

e brothers?
Mathematics
1 answer:
Alexxx [7]3 years ago
4 0

Hi,

Let  the

Youngest brothers age = x+2

Middle brothers age = x+4

Oldest brothers age = x+6  

So,

Youngest brothers age = x+2 = 28+2 = 30 years of age

Middle brothers age = x+4 = 28+4 = 32 years of age

Oldest brothers age = x+6 = 28+6 = 34 years of age

Have a great day!

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<h3>What is a confidence interval of proportions?</h3>

A confidence interval of proportions is given by:

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In which:

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In this problem, we have a 95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so the critical value is z = 1.96.

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The 95% confidence interval estimate of the proportion of boys in all births is (0.46, 0.526). Since the interval contains 0.506, it does not provide strong evidence against that belief.

More can be learned about the z-distribution at brainly.com/question/25890103

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