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3 years ago

6

If there's a 9% tax, and the couch is $227.49 what will the total be?

2 answers:

Elan Coil [88]3 years ago

6 0

To find the amount of tax you have to turn 9% into a decimal by dividing it by ten.

9% ⇒ 0.09

Now multiply 0.09 by 227.49 to find 9% of 227.49.

227.49 × 0.09 = 20.47

Add 9% of 227.49, or 20.47, to the origin price.

227.49 + 20.47 = 247.96

<h2>Answer:</h2>

<u>The total for the couch will be </u><u>$247.96</u><u>.</u>

ZanzabumX [31]3 years ago

4 0

Answer

Step-by-step explanation:

227.49 x 1.09 = 247.96

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The market and Stock J have the following probability distributions:

denis-greek [22]

Answer:

1) $E(M) = 14*0.3 + 10*0.4 + 19*0.3 = 13.9 \%$

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And the variance would be given by:

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And the deviation would be:

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Step-by-step explanation:

For this case we have the following distributions given:

Probability M J

0.3 14% 22%

0.4 10% 4%

0.3 19% 12%

Part 1

The expected value is given by this formula:

$E(X)=\sum_{i=1}^n X_i P(X_i)$

And replacing we got:

$E(M) = 14*0.3 + 10*0.4 + 19*0.3 = 13.9 \%$

Part 2

$E(J)= 22*0.3 + 4*0.4 + 12*0.3 = 11.8 \%$

Part 3

We can calculate the second moment first with the following formula:

$E(M^2) = 14^2*0.3 + 10^2*0.4 + 19^2*0.3 = 207.1$

And the variance would be given by:

$Var (M)= E(M^2) -[E(M)]^2 = 207.1 -(13.9^2)= 13.89$

And the deviation would be:

$Sd(M) = \sqrt{13.89}= 3.73$

Part 4

We can calculate the second moment first with the following formula:

$E(J^2) = 22^2*0.3 + 4^2*0.4 + 12^2*0.3 =194.8$

And the variance would be given by:

$Var (J)= E(J^2) -[E(J)]^2 = 194.8 -(11.8^2)= 55.56$

And the deviation would be:

$Sd(M) = \sqrt{55.56}= 7.45$

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Answer:

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Step-by-step explanation:

We can easily Answer this by taking some values.

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is lesser than both 1/2 and 1/3 .

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