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AnnyKZ [126]
4 years ago
6

Plz help need help fast Deena has a tool box in the shape of a right rectangular prism.

Mathematics
1 answer:
creativ13 [48]4 years ago
7 0
I hope this helps you



Volume =width ×length ×height



0,375=width ×1,5×0,5


width =0,375/0,75


width =0,5
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nordsb [41]

Answer: c. –1 and .1587

Step-by-step explanation:

As per given , we have

Null hypothesis : H_0 : p= 0.35

Alternative hypothesis :  H_1 : p< 0.35

Since Alternative hypothesis is left-tailed ,so the test must be a left tailed test .

Z -Test statistic for proportion = z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

, where p= population proportion

\hat{p} = sample proportions

n= Sample size.

Let x be the number of successes.

For n= 40 and x= 11

\hat{p}=\dfrac{x}{n}=\dfrac{11}{40}=0.275

Then ,  z=\dfrac{0.275-0.35}{\sqrt{\dfrac{0.35(1-0.35)}{40}}}

z=\dfrac{-0.075}{\sqrt{0.0056875}}

z=\dfrac{-0.075}{0.075415515645}

z=-0.99449031619\approx-1

By using z-table ,

P-value for left-tailed test = P(z<-1)= 1-P(z<1)    [∵ P(Z<-z)= 1-P(Z<z) ]

= 1-0.8413

=0.1587

Hence, the -score and P-value are  <u>–1 and 0.1587</u> .

So the correct option is c. –1 and .1587

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The 2 in 21 represents how many times the value of the 2 in 82?
anyanavicka [17]

Answer:

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Step-by-step explanation:

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2 years ago
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Answer:

f = -4

Explanation:

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Step-by-step explanation:

Use the Pythagorean theorem.

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