Jiayang's answer to waiman's International Baccalaureatte Further Maths HL question.
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My bad... Use binomial dist.
Date Posted:
6 years ago
I should've written 1 - P(W<=24). Take note
P(W<=24)=0.86865???
Yes
How to find P(W<=24)?
Have you learnt how to compute with your graphic calculator? Cus typically we'd use the calculator to do the work, manual calculation is possible but it's too tedious.
I used Excel btw. Type in "=binom.dist(24,100,0.2,1)"
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