Pascal Gonyo takes this exam and guesses at every question. Use the binomial probability formula to find the probability (to 5 decimal places) that
a) He gets exactly 2 questions correct.
b) He gets no questions correct.
c) He gets at least 1 question correct (use the information from part (b) to answer this part).
d) He gets at least 9 questions correct.
e) Without using the binomial probability formula, determine the probability that he gets exactly 2 questions correct.
f) Compare your answers to parts (a) and (e). If they are not the same explain why.
2007-05-11
12:59:45
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6 answers
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asked by
baby_girl_clover
1
in
Science & Mathematics
➔ Mathematics