Mathematics, 03.12.2019 03:10 jaystitt1152683

# The average annual return over the period 1926-2009 for the s& p 500 is 12.8%, and the standard

deviation of returns is 21.4%. based on these numbers, what is a 67% confidence interval for

2010 returns?

a) -1.3%, 20.5%

b) -8.6%, 34.2%

c) -25.8%, 54.7%

d) -25.8%, 47.9%

Answers: 3

Mathematics, 04.02.2019 01:40

What is the value of x in the following equation? -3x-2=2x+8

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Mathematics, 01.02.2019 22:18

The measures of two supplementary angles are (2x + 10)Β° and (8x + 10)Β°. what is the measure of the larger angle? a. 16Β° b. 44Β° c. 14Β° d. 138Β°

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Mathematics, 01.02.2019 16:36

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.

Answers: 3

Mathematics, 01.02.2019 03:40

Shown here are the three essential steps in a proof of the pythagorean theorem. comparing the 1st and 3rd steps how are the colored regions related as to the areas? a. yellow+blue=orange b. orange=yellow=green c.yellow+blue=green=orange d.yellow+green=orange+blue

Answers: 2

The average annual return over the period 1926-2009 for the s& p 500 is 12.8%, and the standard...

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