Need help on numbers 6, 7, and 8 ill mark brainliest if they are right

Mathematics

1 answer:

mr Goodwill [35]3 years ago

3 0

Answer:

Volume of Triangular Pyramid =29920 cubic inches

volume of the sphere = 113.04 cubic millimeters

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The claim is that the proportion of accidental deaths of the elderly attributable to residential falls is more than 0.10, and th

Alex777 [14]

Answer:

The correct option is b) 4.71

Step-by-step explanation:

Consider the provided information.

Test statistic for proportion: $z=\frac{\hat p-p}{\sqrt{\frac{pq}{n}}}$

It is given that the claim is that the proportion of accidental deaths of the elderly attributable to residential falls is more than 0.10, and the sample statistics include n=800 deaths of the elderly with 15 percent of them attribute to residential falls.

Therefore, $\hat p=0.15$ , p = 0.1, q = 1-0.1 = 0.9 and n = 800.