You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 99% confident that the sample percentage is within 4.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 32% of air passengers prefer an aisle seat. n= (Round up to the nearest integer.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
Question
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that
K you want to be 99% confident that the sample percentage is within 4.5 percentage points of the true population percentage. Complete parts (a) and (b) below.
8
1
Q
A
on
Pi
N
a. Assume that nothing is known about the percentage of passengers who prefer aisle seats.
n=
(Round up to the nearest integer.)
b. Assume that a prior survey suggests that about 32% of air passengers prefer an aisle seat.
n=
7=7
(Round up to the nearest integer.)
@
NO
2
F2
W
S
X
H
command
#
3
80
F3
E
D
C
$
4
888
F4
R
20
F
%
5
V
F5
T
G
^
6
B
MacBook Air
F6
Y
H
&
7
N
44
F7
U
J
*
8
DII
FB
I
M
(
-0.
9
K
DD
F9
க
O
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I
)
O
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F10
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-
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. V
Time Remaining: 01:42:51
I
:
;
command option
4
F11
{
[
?
+
1
=
11
-
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Next
delete
return
shi
Transcribed Image Text:You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that K you want to be 99% confident that the sample percentage is within 4.5 percentage points of the true population percentage. Complete parts (a) and (b) below. 8 1 Q A on Pi N a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 32% of air passengers prefer an aisle seat. n= 7=7 (Round up to the nearest integer.) @ NO 2 F2 W S X H command # 3 80 F3 E D C $ 4 888 F4 R 20 F % 5 V F5 T G ^ 6 B MacBook Air F6 Y H & 7 N 44 F7 U J * 8 DII FB I M ( -0. 9 K DD F9 க O < I ) O L F10 E - P . V Time Remaining: 01:42:51 I : ; command option 4 F11 { [ ? + 1 = 11 - A F12 } ] Next delete return shi
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