kayleeblanton1132
18.01.2021 •
Mathematics
Scores on a national math test are Normally distributed, with a mean score of 490 and a standard deviatio Which test score represents the top 20%, rounded to the nearest whole number? Find the z-table here. 426 448 532 554
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Ответ:
-8
Step-by-step explanation:
If we add 5 to -8, that will be -3. Then if we multiply -3 with -2, it equals 6 because when two negatives multiply with one another the answer will be positive.
So in conclusion, the number is -8.
Hope this helps!