A medical device company knows that the percentage
of patients experiencing injection-site reactions with the
current needle is 11%. A nurse will collect data by
performing injections with this type of needle until five
people experience injection-site reactions
Is it appropriate to use the geometric distribution to
calculate probabilities in this situation?
• Yes, the geometric distribution is appropriate.
• No. since each trial is not independent of the other
trials.
• No, because it is not looking for the first occurrence
of success.
• No, since the probability of success is not the same
for each of the trials.