Example 9.22 Suppose we are interested in knowing the probability of getting at least 15 replies to a questionnaire sent to 100 persons, assuming the probability that any one of these persons would reply is 0.2. In other words, we would like to know the probability of getting at least 15 successes (a success is taken as a reply to the questionnaire) in 100 trials when the probability of success on an individual trial is 0.2.
Example 9.22 Suppose we are interested in knowing the probability of getting at least 15 replies to a questionnaire sent to 100 persons, assuming the probability that any one of these persons would reply is 0.2. In other words, we would like to know the probability of getting at least 15 successes (a success is taken as a reply to the questionnaire) in 100 trials when the probability of success on an individual trial is 0.2.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:Example 9.22 Suppose we are interested in knowing the probability of getting at least 15 replies to a
questionnaire sent to 100 persons, assuming the probability that any one of these persons would reply
is 0.2. In other words, we would like to know the probability of getting at least 15 successes (a success
is taken as a reply to the questionnaire) in 100 trials when the probability of success on an individual
trial is 0.2.
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