for a dailiy airline flight between two cities the number of pieces of checked luggage has a mean of 380 and a standard deviation of 20. On what percent of the flight would you expect from 340 to 420 pieces of checked luggage?

Question

amistre64 · Answer

it depends on how accurate you want to be

amistre64 · Answer

if we are talking about the empiraical rule:  determine how many standard deviations the given values are from the mean

anonymous · Answer

the options are: a)37%  b)47.5% c)95% d)68%

amistre64 · Answer

the process is whats important, the process will lead to the correct option

anonymous · Answer

do you know the process?

amistre64 · Answer

i do, and its what i am attempting to explain :)

anonymous · Answer

ok :)

amistre64 · Answer

if i gave you a ruler of some undetermined length, and asked you the distance between 2 points, how would you measure it?

amistre64 · Answer

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amistre64 · Answer

the standard deviation defines the length of our ruler

amistre64 · Answer

the question is asking you:  how many ruler lengths are between the mean and a given point.

anonymous · Answer

ok, i'm beginning to sorta get it?

amistre64 · Answer

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