3 years ago

Internal control over a company's assets should include the following policy:

Mathematics

1 answer:

Molodets [167]3 years ago

8 0

The answer is C because I can c the answer right in front of me

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Construct the confidence interval for the population standard deviation for the given values. Round your answers to one decimal

Alex777 [14]

Answer:

The correct answer is " $2.633< \sigma < 4.480$ ".

Step-by-step explanation:

Given:

n = 21

s = 3.3

c = 0.9

now,

$df = n-1$

$=20$

⇒ $x^2_{\frac{\alpha}{2}, n-1 }$ = $x^2_{\frac{0.9}{2}, 21-1 }$

= $31.410$

⇒ $x^2_{1-\frac{\alpha}{2}, n-1 }$ = $10.851$

hence,

The 90% Confidence interval will be:

= $\sqrt{\frac{(n-1)s^2}{x^2_{\frac{\alpha}{2}, n-1 }} } < \sigma < \sqrt{\frac{(n-1)s^2}{x^2_{1-\frac{\alpha}{2}, n-1 }}$

= $\sqrt{\frac{(21-1)3.3^2}{31.410} } < \sigma < \sqrt{\frac{(21.1)3.3^2}{10.851} }$

= $\sqrt{\frac{20\times 3.3^2}{31.410} } < \sigma < \sqrt{\frac{20\times 3.3^2}{10.851} }$

= $2.633< \sigma < 4.480$

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2 years ago

Write the equation of the line that passes through the given points:

Snezhnost [94]

Answer:

x = 0

Step-by-step explanation:

x = 0 ( y axis)

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3 years ago

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Write the number with the least value using the digits 1 through 9.use each digit only once.

amm1812

It would be 123,456,789 (if not counting decimals)

decimals would be like 0.123456789

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3 years ago

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A house was bought for £100,000

jolli1 [7]

Answer:

122500

Step-by-step explanation:

The formula

A=p(1+rt)

A ?

P 100000

R 0.075

T 3 years

A=100,000×(1+0.075×3)

A=122500

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3 years ago

What is 3-2y+(-8y)+8.4 as a simplified expression

IRISSAK [1]

Answer:

-10y + 11.4

I hope this helps you out

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2 years ago

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Internal control over a​ company's assets should include the following​ policy:

Internal control over a company's assets should include the following policy: