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Mathematics 16 Online
OpenStudy (anonymous):

mean = 22.4, standard deviation = 4.9, convert the following x interval to a z interval. x<36.1

ganeshie8 (ganeshie8):

find the Zscore

OpenStudy (anonymous):

i did

ganeshie8 (ganeshie8):

oh nice, wat did u get ?

OpenStudy (anonymous):

but is it z<2.8, z>-2.8, z<-2.8, or z>2.8

OpenStudy (anonymous):

thats the part that i am confused on

ganeshie8 (ganeshie8):

did u get Z = 2.8 ?

ganeshie8 (ganeshie8):

if so, x<36.1 that means u want observations LESS than 36.1 so, it wud be z < 2.8

OpenStudy (anonymous):

thats what i didnt understand i will trust you on it. i have a little chart that i was going to show you but i cant find the snip it tool on this damn windows 8....ahhhh! where are my PROGRAMS

OpenStudy (anonymous):

i have one more!

OpenStudy (anonymous):

mean = 4.3, sd = .8, x<1.1

OpenStudy (anonymous):

so are we at z>-4 or z<-4

OpenStudy (phi):

a picture might help

OpenStudy (phi):

|dw:1396111334556:dw|

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