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OpenStudy (amorfide):
I don't know how to work out what values to use on the Z tables, anyone help?
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OpenStudy (amorfide):
OpenStudy (amorfide):
@agent0smith
OpenStudy (amorfide):
Perfect, thank you!
OpenStudy (agent0smith):
Put everything in minutes since it's easier. mean is 90 mins, st dev is 25 mins, your x is 120 mins Find z, then use a z score table, you want where: z < (the score above)
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