In a recent Study 2006 randomly US Adolts' (oge 18 or Olaer) askea SCICCtea were PEOPIE whom yoOU Cliscussea matters that are important number with a standard deriaton OF give the nomber OF the 1ast six months "with TO in to you"! The average Of Close conFidants was 2.2, 1.4 (a) Find and uoteryo) interpret a 99.1.conFIdenc er

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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In a recent study2006 randomly
SCICCtea US Adolts' (ogC 18 or Olaer)
were
PCOPIE
whom yoU Cliscussea matters that are
important
number
with a
askea to
the last six months "with
give the nomber OF
in
to you" The average
Of
Close conFidants was 2.2.
Standard deriaton OF
1.4
(a) Find and
interval For average nomber
CIOse
interpret a 991.conFIdence.
OF
conFidants
1b) if wC want to cstimate thc numbor
coNFidants with a margin
±0.05 and with 9
is
Close
error
OF
of
confidence ,how large a sample
needed ?
OF
Transcribed Image Text:In a recent study2006 randomly SCICCtea US Adolts' (ogC 18 or Olaer) were PCOPIE whom yoU Cliscussea matters that are important number with a askea to the last six months "with give the nomber OF in to you" The average Of Close conFidants was 2.2. Standard deriaton OF 1.4 (a) Find and interval For average nomber CIOse interpret a 991.conFIdence. OF conFidants 1b) if wC want to cstimate thc numbor coNFidants with a margin ±0.05 and with 9 is Close error OF of confidence ,how large a sample needed ? OF
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