marks:30,40,50,60,80
no of pupils:11,8,4,5,2
1.what is the probability that a pupil chosen at random will score a.40%,b.above 50%,below 60%.
2.what is the probability that a pupil chosen at random will pass the test if the pass mark is.
a.50%
b.40%
c.60%
d.80%?
In Mathematics
4 Answers Available
Asked by daisy on 19th June, 2022
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