Mathematics
15 Online
OpenStudy (anonymous):
Hey guys need some help plz, MEDALS!!!!!
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OpenStudy (anonymous):
OpenStudy (anonymous):
@mathmath333 @e.mccormick @perl @freckles @114Bytes
OpenStudy (freckles):
what does delta mean?
OpenStudy (perl):
st. deviation
OpenStudy (perl):
thats strange to use lower case delta, should be lower case sigma
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OpenStudy (anonymous):
I haven't done Statistics in years, I'll keep it it and try to figure it out while it's still open.
OpenStudy (anonymous):
Unless someone can answer first.
OpenStudy (perl):
you need to use a table for this
OpenStudy (perl):
does your teacher allow you to use calculators?
OpenStudy (anonymous):
what kind of table?
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OpenStudy (perl):
a z table
OpenStudy (perl):
are you allowed to use TI 83 ?
OpenStudy (anonymous):
YES
OpenStudy (anonymous):
@perl
OpenStudy (perl):
ok i will give you command, but you have to use your own calculator
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OpenStudy (perl):
normalcdf ( lower bound, upper bound, mean, st dev)
normalcdf( 60, 80, 75,15) = (use calculator please)
OpenStudy (perl):
calculator :
2nd Vars 2:normalcdf(
OpenStudy (anonymous):
ok then what
OpenStudy (perl):
then multiply that by 10,000
OpenStudy (anonymous):
ok, can u give me step by step directions for each problem so i can solve it when i get back home plz?
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OpenStudy (perl):
ok
OpenStudy (anonymous):
@perl
OpenStudy (anonymous):
Hey, could u do that now so when i get back I have it plz?
OpenStudy (anonymous):
@mathmath333
OpenStudy (mathmath333):
sry but m not familier with statistics much
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OpenStudy (anonymous):
@perl Im back could u help me now plz
OpenStudy (perl):
did you get a calculator
OpenStudy (anonymous):
yup
OpenStudy (anonymous):
@satellite73