Question

Suppose a student reaches in the bag and randomly selects nine red chips and eleven yellow chips. Based on this sample, what is a good estimate for the percentage of enrolled university students that are male?

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Answer 1

you can do it like

the ratio of probability of picking red chips to the probablity of picking tge yellow ones is 9:11

and if you are an indian then you may know the percentage of boys in mechanical engineering is approx 90%

the percentage of girls in iits would be 15-20%

therefore the percentage of boys must be 80-85℅

now how about that

Answer 2

Answer:

the good estimate11/20+9/20

20/20. .