An engineer wishes to determine the width of a particular electronic component. If she knows that the standard deviation is 2.7 mm, how many of these components should she consider to be 90% sure of knowing the mean will be within ±0.2 mm? O 23 3596 O 494 O 299 O 27 Submit Question

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Author:Amos Gilat
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1
An engineer wishes to determine the width of a particular electronic component. If she knows that the
standard deviation is 2.7 mm, how many of these components should she consider to be 90% sure of
knowing the mean will be within ±0.2 mm?
O 23
O 3596
O 494
O 299
O 27
Submit Question
English (United States)
Notes
Comments
24
tv
MacBook Air
DII
DD
F1
F2
F3
F5
F7
FB
F9
@
#
2$
%
2
3
4
5
6
7
8.
10
W
E
R
T
Y
F
H.
C
V
M.
command
B
Transcribed Image Text:1 An engineer wishes to determine the width of a particular electronic component. If she knows that the standard deviation is 2.7 mm, how many of these components should she consider to be 90% sure of knowing the mean will be within ±0.2 mm? O 23 O 3596 O 494 O 299 O 27 Submit Question English (United States) Notes Comments 24 tv MacBook Air DII DD F1 F2 F3 F5 F7 FB F9 @ # 2$ % 2 3 4 5 6 7 8. 10 W E R T Y F H. C V M. command B
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