Business Statistics: A First Course (8th Edition)
8th Edition
ISBN: 9780135177785
Author: David M. Levine, Kathryn A. Szabat, David F. Stephan
Publisher: PEARSON
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Show that the function Y₂º(0, ¢) = (5/16π)¹/² (3 cos² 0 — 1) is normalized over the interval 0 ≤ 0 ≤ π and 0 ≤ ø ≤ 2π.
Match the items in the left column to the appropriate blanks in the sentences and the equations on the right. Make certain each sentence and equation is complete before submitting your answer.
2πT
is
-9/5 cos5 0+2 cos³ 0 - cos
0
3 cos² - 3 cos 0 + 1
-9 cos¹ 0 + 6 cos² 0 - cos
is not
ㅠ
1
9 cos4 - 6 cos² 0 + 1
dr = do d cos
sin e do de
2πT
5
[ [ (xº (0, 0))² &T = (187) † do] s sin 0(3 cos² - 1)² de
16TT
0
0
) de
||
5
16п
5
16T
Therefore, the function
0
π
sin (
)=
normalized over the interval 0 ≤ 0 ≤ π and 0 ≤ ≤ 2TT.
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An electrical signal is given by the function y(t) = sin(Pi*t). Determinethe root mean square value of this signal between t = 0, andt = 1/2.
Find zα/2 for α=0.14.
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