Question 1039511
{{{P(X)=C(43,X)*(4/5)^X*(1/5)^(43-X)}}}
I used EXCEL to generate the values.
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*[illustration dfc1.JPG].
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The values in yellow signify the probabilities of 35-43 students passing,
The value in the green box is the sum of those probabilities.
{{{P=0.5}}}