A bag contains 15 red balls and 3 green balls. One at a time a ball is selected, the color is recorded and the ball is returned to the bag. This is done until 100 balls have been pulled from the hag

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Select the appropriate response.
bag contains 15 red balls and 3 green balls. One at a time a
ball is selected, the color is recorded and the ball is returned to
the bag. This is done until 100 balls have been pulled from the
bag.
X = number of outcomes that are red.
Is X a binomial random variable?
O Yes, is a binomial distribution.
No, not a binomial because the number of trials is not fixed
(known).
O No, not a binomial distribution because there are more then two
outcomes.
O No, not a binomial because the probability of a success changes
with each trial (the trials are not independent).
Transcribed Image Text:Select the appropriate response. bag contains 15 red balls and 3 green balls. One at a time a ball is selected, the color is recorded and the ball is returned to the bag. This is done until 100 balls have been pulled from the bag. X = number of outcomes that are red. Is X a binomial random variable? O Yes, is a binomial distribution. No, not a binomial because the number of trials is not fixed (known). O No, not a binomial distribution because there are more then two outcomes. O No, not a binomial because the probability of a success changes with each trial (the trials are not independent).
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