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Tema [17]
3 years ago
9

What is the expected value of an original Investment of $3,000 that has a 10% chance of ending up with a value of $2,000, an 80%

chance of ending up with a value of $3,500, and a 10% chance of ending up with a value of $4,000?
A $6,000

B. $3,500

C $3,400

D. $3,250

E $3,000
Mathematics
1 answer:
Sloan [31]3 years ago
3 0

Answer:

Option C.

Step-by-step explanation:

The original value of  Investment = $3,000

It has a 10% chance of ending up with a value of $2,000.

Chances of loss of $1000 = 0.1

It has a 80% chance of ending up with a value of $3,500.

Chances of profit of $500 = 0.8

It has a 10% chance of ending up with a value of $4,000.

Chances of profit of $1000 = 0.1

Expected change in the value of investment is

Change=(-\$1000)(0.1)+(\$500)(0.8)+(\$1000)(0.1)

Change=-\$100+\$400+\$100

Change=\$400

The expected change in the value of the investment is $400.

The expected value of an original Investment of $3,000 is

\$3000+\$400=\$3400

Therefore, the correct option is C.

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Given:

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Heloise has written \frac{1}{4} as many articles as Mustafa has.

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framing in equation form we get;

x+\frac{1}{4}x+ \frac{3}{2}x\geq 22

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Now Solving the Inequality we get;

Taking LCM for making the denominator common we get:

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Hence Mustafa has written more than 8 articles.

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