B
The purple balls constitute 1/3 of the amount of balls there, so you’re that likely to pluck one out.
Five hundered seventy-one thousand nine hundred and fifty one
if the mean is 70 minutes, then 90 minutes is 2 standard deviations above 70. if you look at the bell curve i drew, the percent of exams that took over 90 minutes is 2.5%
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Answer:
im pretty sure it doesn’t
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
33-1
3r-9
r3-8
r means random digit
9+8+1=19
