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ohaa [14]
2 years ago
10

This question is too hard

Mathematics
2 answers:
Bond [772]2 years ago
7 0

Answer:270

Step-by-step explanation:180/2=90

90*3=270

Hope this helps :)

aliina [53]2 years ago
6 0

Answer:

270

Step-by-step explanation:

You can do 180/2 and that gives you 90. Since we know 90:1, we can do 90x3. And that gives 270

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CI=(\overline{x}-Z_{\alpha/2}\frac{\sigma}{\sqrt{n}},\overline{x}+Z_{\alpha/2}\frac{\sigma}{\sqrt{n}})    (1)

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The 90% confidence interval is (70.861 , 94.418)

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