subject
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%

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 04.02.2019 01:40
What is the value of x in the following equation? -3x-2=2x+8
Answers: 1
question
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°
Answers: 2
question
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
question
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
You know the right answer?
The average annual return over the period 1926-2009 for the s& p 500 is 12.8%, and the standard...
Questions
question
History, 21.06.2018 19:13
question
Mathematics, 21.06.2018 19:11
Questions on the website: 6540275