In a recent study 2006 randomly SCICCtea US Adolts' (ogC 18 or OIacr) were PCOPIE whom yoU important number with a asked the last six months "with give the omber OF TO in Cliscussea matters that are to you"! The average Of Standard deriaton OF Close conFidants was 2.2. 1.4 (a) Find and interpret a 99.1.conFIdenc

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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In a
SCICCtea US Adolts' (age 18 or Olacr)
were
PCOPIE
whom yoU Cliscussea matters that are
important
number
with a
recent StUdy 2006 randomiy
askea tO
the last six months "with
give the nomber OF
in
to you! The average
lose conFidants was 2.2.
Of
Standard deriaton OF
1.4
99:1. conFIdence
(a) Find and
interval For average nomber
CIOse
interpret a
OF
coNFidants.
(b) if wC want to cstimate thC numbor
close
OF
of
confidence ,how large a sample
necded ?
coNFidants with a mnargin
and with 99:%.
is
error OF
±0.05
Transcribed Image Text:In a SCICCtea US Adolts' (age 18 or Olacr) were PCOPIE whom yoU Cliscussea matters that are important number with a recent StUdy 2006 randomiy askea tO the last six months "with give the nomber OF in to you! The average lose conFidants was 2.2. Of Standard deriaton OF 1.4 99:1. conFIdence (a) Find and interval For average nomber CIOse interpret a OF coNFidants. (b) if wC want to cstimate thC numbor close OF of confidence ,how large a sample necded ? coNFidants with a mnargin and with 99:%. is error OF ±0.05
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