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# Southwest airlines reputation of arrivals on time at Midway airport.SW arrivals follow a Business Normal distribution (No outliers!) means flight...

. Southwest airlines reputation of arrivals on time at Midway airport. SW arrivals follow a Business Normal distribution (No outliers!) means flight arrivals will be around the Population Mean arrivals.

On clear days and nights the Mean arrival is ON time with a standard deviation of five minutes.

a) Ninety percent of flights arrive between what times?

b) Ten percent of flights are delayed by how long?

c) Five percent of how many flights arrived before the arrival times?

a) plus minus 8.225... View the full answer

-15
10
-5
0
10
15
Specify Parameters:
Mean 0
SD 5
O
Above
8.225
O
Below
1.96
O
Between
-1.96
and 1.96
O
Outside -1.96
and
1.96
Results :
Area (probability) = 0.05
Recalculate

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