Question
Asked Nov 9, 2019

#9    Write the following in inequality notation, interval notation and graph the interval.

The confidence interval estimate of a population mean has been found to be -2.4 +- 7.4

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Expert Answer

Step 1

The confidence interval estimate of a population mean has been found to be -2.4±7.4

Given that inequality notation -2.4±7.4

Step 2

Now, interval n...

xE(-2.4-7.4, -2.4+7.4)
хе (-9.8, 5)
Therefore, confidence interval is,
хе(-9.8, 5)
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xE(-2.4-7.4, -2.4+7.4) хе (-9.8, 5) Therefore, confidence interval is, хе(-9.8, 5)

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