This cylinder has a volume of 121 cubic inches and a diameter of 4 inches.

Mathematics

1 answer:

iogann1982 [59]2 years ago

7 0

12(pi)
diameter is 4, so radius should be 2
closest height to equal 12(pi) would be 0.96

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Step-by-step explanation:

Information given

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In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 90% of confidence, our significance level would be given by $\alpha=1-0.90=0.1$ and $\alpha/2 =0.05$ . And the critical value would be given by: