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3 years ago

Please help will give 50points

Mathematics

1 answer:

Lady bird [3.3K]3 years ago

3 0

Answer:

its 10...

Step-by-step explanation:

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3 years ago

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Fiesta28 [93]

Answer:

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3 years ago

There are 7,500 shares of $10 par value participating 9 percent preferred stock outstanding, and 32,500 shares of common stock o

astraxan [27]

<h2>Answer:</h2><h2>Free distributable dividend = $ 27000</h2>

Step-by-step explanation:

There are 7,500 shares of $10 par value participating 9 percent preferred stock outstanding, and 32,500 shares of common stock outstanding. Therefore,

dividend paid to common stockholder =32500(0.50) = $ 16250

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3 years ago

According to the manufacturer of a backup UPS device, the normal output voltage is 120 volts. The sample of 40 measured voltage

anyanavicka [17]

Answer:

z = 1.83<1.96

null hypothesis is accepted

The sample is came from a population mean

Step-by-step explanation:

<u>Step</u> :-1

The sample of 40 measured voltage amounts from a unit have a mean of 123.59 volts and a standard deviation of 0.31 volts

given sample size n =40

mean of the sample ×⁻ = 123.59 volts

standard deviation of sample σ = 0.31 volts

<u>Step2</u>:-

<u>Null hypothesis</u> :-

the sample is from a population with a mean equal to 120 volts.

H₀ : μ =120

<u>Alternative hypothesis:-</u>

H₁ : μ ≠120

<u>level of significance</u>:- α =0.05

<u>Step 3:</u>-

<u>The test statistic</u>

$z = \frac{x_{-}-mean }{\frac{S.D}{\sqrt{n} } }$

substitute values and simplification

$z = \frac{123.59-120}{\frac{0.31}{\sqrt{40} } }$

on simplification we get the calculated value

z = 1.83

The tabulated value z =1.96 at 0.05 % level of significance

<u>Conclusion</u>:-

Calculated Z < The tabulated value z =1.96 at 0.05 % level of significance

so the null hypothesis is accepted

The sample is came from a population mean

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3 years ago

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