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Maru [420]
3 years ago
15

Mario has a box of blocks 8 inches long, 6 inches wide, and 7 inches high.

Mathematics
1 answer:
Aleksandr [31]3 years ago
3 0

Answer:

Volume = length× width× height

v=lwh

v=8×6×7

v=48×7

v= 336inches

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Using the z-distribution, as we are working with a proportion, it is found that the margin of error for the 90% confidence interval is of 0.0524 = 5.24%.

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

A confidence interval of proportions is given by:

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

In which:

  • \pi is the sample proportion.
  • z is the critical value.
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The margin of error is given by:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

In this problem, the critical value is given as z = 1.645, and since 26 out of 80 students said they would be willing to pay extra:

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Then, the <em>margin of error</em> is of:

M = 1.645\sqrt{\frac{0.325(0.675)}{80}} = 0.0524

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

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Solve for all values of x by factoring. x^2- 3x = 4x
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Considering the middle 95% of the data, determine the margin of error, to the nearest hundredth, for the simulated results. In t
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The 95% margin of error simony states that there is a 95% probability that the confidence interval contains the true population mean.

<h3>What is a margin of error?</h3>

It should be noted that the margin of error simply means a measurement that accounts for the difference between the actual result and the projected result in a survey sample.

In this case, the 95% margin of error simply states that there is a 95% probability that the confidence interval contains the true population mean. This is the radius of the 95% confidence interval.

Learn more about margin of error on:

brainly.com/question/27909412

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