«- * (-) < x < + (x) g=_ - Find the margin of error
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Transcribed Image Text:225
02.58
11.6
0.02
04.1
O 0.4483
O 1.64
O 0.2733
01.96
I
Transcribed Image Text:Unoccupied seats on flights cause the airlines to lose revenue. Suppose a large airline wants to estimate its average number of
unoccupied seats per flight over the past year with the standard deviation of 4.1 seats. To accomplish this, the records of 225 flights
are randomly selected and the number of occupied seats is noted with a mean of 11.6 seats. Estimate the expected population
mean number of unoccupied seats per flight using 90% confidence interval.
- - » (=) < x < ₁ + S (x )
g=_
Find the margin of error
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