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Naily [24]
3 years ago
11

What is the height of a cone with a radius of 10 inches and a volume of 2199.11 in.³

Mathematics
1 answer:
Zarrin [17]3 years ago
4 0
Well h = (3)V/(pi)r^2, with plugging numbers given into variables, the answer is h=21in.
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What is the critical value at the 0.05 level of significance for a goodness-of-fit test if there are six categories?
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Answer:

The goodness of fitness test χ²with significance of level ∝= 0.05 and 5 degrees of freedom is 11.07  (One tailed test )

Step-by-step explanation:

For n=6  the degrees of freedom will be n-1 = 5 .

The goodness of fitness test χ²with significance of level ∝= 0.05 and 5 degrees of freedom is 11.07  (One tailed test )

The critical region depends on ∝ and the alternative hypothesis

a) When Ha is σ²≠σ² the critical region is

χ²  < χ²(1-∝/2)(n-1) and  χ² > χ²(1-∝/2)(n-1)   Two tailed test

( χ²  < 0.83) and ( χ²  > 0.83)

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 χ² > χ²(∝)(n-1)   One tailed test  {11.07  (One tailed test )}

c) When Ha is σ² <σ² the critical region will be entirely in the left tail with critical value  

χ²(1-∝)(n-1)  One tailed test  (1.145)

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From the picture attached,

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