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OpenStudy (anonymous):
STATISTICS HELP
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OpenStudy (anonymous):
OpenStudy (kropot72):
Are you expected to solve this using a calculator or else by finding the z-score and using a standard normal distribution table?
OpenStudy (anonymous):
z-score
OpenStudy (kropot72):
Do you know how to find the z-score for 195 mints, using: \[\large z=\frac{X-\mu}{\sigma}\] using X = 195.
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