An Olympic archer is able to hit the bull's-eye 89% of the time. Assume each shot...

Question

Question

An Olympic archer is able to hit the bull's-eye 89% of the time. Assume each shot is independent of the others. She shoots 8 arrows.

a) How many bull's-eyes do you expect her to get?

b) What is the standard deviation?

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

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

An Olympic archer is able to hit the bull's-eye 84% of the time. Assume each shot...

An Olympic archer is able to hit the bull's-eye 84% of the time. Assume each shot is independent of the others. She shoots 6 arrows. a) How many bull's-eyes do you expect her to get? b) What is the standard deviation? c) If she keeps shooting arrows until she hits the bull's-eye, how long do you expect it will take?
An archer is able to hit the bull's-eye 32% of the time. If she shoots 9...

An archer is able to hit the bull's-eye 32% of the time. If she shoots 9 arrows, what is the probability that she does not get exactly 4 bull's-eyes? Assume each shot is independent of the others. Express your answer as a percentage rounded to the nearest hundredth.
An archer is able to hit the bull's-eye 58% of the time. If she shoots 8...

An archer is able to hit the bull's-eye 58% of the time. If she shoots 8 arrows, what is the probability that she gets exactly 4 bull's- eyes? Assume each shot is independent of the others. 0.2465 0.1131 0.1433 0.00352

An Olympic archer misses the bull's eye 14% of the time. Assume each shot is independent...

An Olympic archer misses the bull's eye 14% of the time. Assume each shot is independent of the others. If she shoots 7 arrows, what is the probability of each of the results described in parts a through f below? c) Her first miss comes on the second or third arrow The probability is 0.2239 (Round to four decimal places as needed.) d) She misses the bull's-eye exactly 3 times. The probability is 0.0525. (Round to four decimal places as...
Ch6 Q7 An Olympic archer misses the bull's-eye 11% of the time. Assume each shot is...

Ch6 Q7 An Olympic archer misses the bull's-eye 11% of the time. Assume each shot is independent of the others. If she shoots 9 arrows, what is the probability of each of the results described in parts a through f below? a) Her first miss comes on the third arrow. The probability is __________________ (Round to four decimal places as needed.) b) She misses the bull's-eye at least once. The probability is __________________ (Round to four decimal places...
an archer is able to hit the bulls-eye 50% of the time. if she shoots 8...

an archer is able to hit the bulls-eye 50% of the time. if she shoots 8 arrows, what is the probability that she gets exactly 4 bulls-eyes? Assume each shot is independent of the others.

id An Olympic archer misses the bul's-eye 14 % of the time. Assume each shot is independent of the others. If she s...

id An Olympic archer misses the bul's-eye 14 % of the time. Assume each shot is independent of the others. If she shoots 7 arrows, what is the probability of each of the results described in parts a through f below? The probability is 0.0766 (Round to four decimal places as needed.) O b) She misses the bul's-eye at least once. The probability is 0.6521 nl (Round to four decimal places as needed.) c) Her first miss comes on the...
An Olympic archer can hit the bullseye 89% of the time. Assuming each shot is independent,...

An Olympic archer can hit the bullseye 89% of the time. Assuming each shot is independent, a) find the probability the first bullseye is on her third shot. b) find the probability she has to shot at least 3 times prior to the first bullseye. c) compute E(X), V(X), and ?.
A) The distribution of exam scores for Statistics is normally distributed with a mean of 78...

A) The distribution of exam scores for Statistics is normally distributed with a mean of 78 and a standard deviation of 5.2. What is the z-score for a raw score of 85? Round to the nearest hundredth. B) An Olympic archer is able to hit the bull’s eye 80% of the time. Assume each shot is independent of the others. She will shoot 6 arrows. Let X denote the number of bull’s eyes she makes. Find the standard deviation of...

9. Assume that a procedure yields a binomial distribution with a trial repeated n times. Use...

9. Assume that a procedure yields a binomial distribution with a trial repeated n times. Use (1 point) the binomial probability formula to find the probability of x successes given the probability p of success on a single trial. Round to three decimal places. n=64, x=3, p=0.04 O 0.091 O 0.139 O 0.221 O 0.375 6. Find the indicated probability. (1 point) An archer is able to hit the bull's-eye 53% of the time. If the archer shoots 10 arrows,...

An Olympic archer is able to hit the​ bull's-eye 89​% of the time. Assume each shot...