Mathematics, 25.02.2021 22:50 gloriuos355

A standardized mathematics test given to 14,000 students had the scores normally distributed. The mean was 850 and the standard deviation was 75. A student scoring below 775 points was deficient in mathematics. About how many students were rated deficient? Please help ASAP I'm having a hard time with this problem!!! :(

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A standardized mathematics test given to 14,000 students had the scores normally distributed. The me...

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