A poll of 100 randomly selected investors showed that investments in a certain company gives on an
average 45% returns per year. Assume from past studies that the standard deviation is 8%. Find 90%
confidence interval for the average percent returns for all of the investors.
43.04 <<46.96
41.08 < x < 48.92
се
42.37 <
< 47.63
43.68 < <46.32

Step-by-step explanation:

EWFEDFERRGRGERER

Step-by-step explanation:

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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