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masya89 [10]
3 years ago
13

A portfolio consisting of four stocks is expected to produce returns of minus9%, 11%, 13% and 17%, respectively, over the next f

our years. What is the standard deviation of these expected returns?

Mathematics
1 answer:
anastassius [24]3 years ago
8 0

Answer:

standard deviation of these expected returns = 0.0295 or 2.95%

Step-by-step explanation:

The detailed step is shown in the attachment

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I need help with questions number seven and ten. <br> Answering will give you 28 pts
Anika [276]

Answer:

#7=A

#10=

Step-by-step explanation:

for #10 idk the answer but its kind of similar to number 7

sorry


3 0
3 years ago
Keiko, Chang, and Abdul sent a total of 109 text messages over their cell phones during the weekend. Keiko sent 7 fewer messages
lbvjy [14]

9514 1404 393

Answer:

  • Keiko: 17
  • Chang: 24
  • Abdul: 68

Step-by-step explanation:

Let c represent the number of messages sent by Chang. Then Keiko sent (c-7) messages, and Abdul sent 4(c-7) messages. The total number sent was ...

  c + (c -7) +4(c -7) = 109

  6c -35 = 109 . . . . . . . . . . simplify

  6c = 144 . . . . . . . . . . . add 35

  c = 24 . . . . . . . . . . . divide by 6

  c-7 = 17

  4(c-7) = 68

Keiko sent 17, Chang sent 24, and Abdul sent 68 text messages.

5 0
3 years ago
According to​ psychologists, IQs are normally​ distributed, with a mean of 100 and a standard deviation of 15 . a. What percenta
Angelina_Jolie [31]
Answer: 34%.

By definition of normal distribution, ≈68% of the data is within 1 standard deviation of the mean. Therefore 68% of IQs are between 85 and 115, and half of that is on the lower end, 85 to 100.
3 0
3 years ago
Help me i will give you 50 points
jeyben [28]
1)  (f + g)(2) = 7 + 3 = 10  The answer   is C

2) (f - g)(4) = 11 - 15 = -4   The answer is A

3)  f(1) = 2(1) + 3 = 5             g(1) = 1² - 1 = 0 The answer is D

4) (f xg ) (1)  = 7/3 The answer is B
   

5 0
3 years ago
Read 2 more answers
Your parents need 2 pounds of chipped ham to make ham barbecue sandwiches. The chipped ham is on sale for $3.99 per pound. How m
Katena32 [7]

Answer:

Hi there!

Your answer is;

$7.98

Step-by-step explanation:

The rate is $3.99 per 1lb

We need 2 lbs

SO:

multiply 3.99×2

= 7.98

Hope this helps

8 0
3 years ago
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