The average score on the MA 170 Final is 70 with a standard deviation of 5. Estimate the score that would put you in the top 25%. Round to the nearest whole number. (Hint: use the standard normal table of values \"backwards\" or use technology)
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This z-score will tell us how many standard deviations above the mean a score needs to be in order to be in the top 25%. Show more…
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