If a/b=1, what is the value of a-b?

SAT

1 answer:

Whitepunk [10]3 years ago

6 0

Answer:

Explanation:

If you do a=2 and b=2, then 2-2=0.

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Use the sample data and confidence level given below to complete parts a through d.

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Using the information given and the z-distribution, it is found that:

a) The point estimate of the population proportion is 0.5544.

b) The margin of error is: 0.0320.

c) The interval is: (0.5224, 0.5864).

d) The interpretation of the interval is: we are 95% sure that the true population proportion is between 0.5224 and 0.5864.

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

A confidence interval of proportions has the bounds given by the rule presented as follows:

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which the variables used to calculated these bounds are listed as follows:

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n is the sample size.

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