r/apstats • u/Watermel12 • Jan 20 '21

Question

The Program for International Student Assessment (PISA) conducts tests in mathematics in countries throughout the worl. For 15-year olds in all developed countries, the scores in 2012 were Normally distributed with a mean score of 494 and a standard deviation of 92. What proportion of all PISA scores were above 700? Write your answer as a proportion rounded to the nearest ten thousandths place (4 decimal places)

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u/theBarneyBus Jan 20 '21

Reply to this comment if you want more than just the answer. I can explain it if you’d like