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

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 4E
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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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