How many bulls eyes do you expect her to get

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Reference no: EM131418121

More arrows

Consider our archer from given Exercise.
a) How many bull s-eyes do you expect her to get?

b) With what standard deviation?

c) If she keeps shooting arrows until she hits the bull s-eye, how long do you expect it will take?

Exercise :
Arrows

An Olympic archer is able to hit the bull s-eye 80% of the time. Assume each shot is independent of the others. If she shoots 6 arrows, what's the probability of each of the following results?

a) Her first bull s-eye comes on the third arrow.

b) She misses the bull s-eye at least once.

c) Her first bull s-eye comes on the fourth or fifth arrow.

d) She gets exactly 4 bull s-eyes.

e) She gets at least 4 bull s-eyes.

f) She gets at most 4 bull s-eyes.

Reference no: EM131418121

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