Question
A poll is given, showing 45% are in favor of a new building project. If 129 people are chosen at random, answer the following. a)
A poll is given, showing 45% are in favor of a new building project. If 129 people are chosen at random, answer the following. a) Which is the correct wording for the random variable?
Select an answer rv X = a randomly selected person that is in favor of a new building project rv X= the number of randomly selected people that are in favor of a new building project rv X = is in favor of a new building project rv X = the probability that a randomly selected person is in favor of a new building project rv X = the number of 129 randomly selected people that are in favor of a new building project rv X = all people that are in favor of a new building project rv X = a randomly selected person b) Pick the correct symbol: ? n N X p X s = 129 c) Pick the correct symbol: ? n X N p s X = 0.45 d) What is the probability that exactly 54 of them are in favor of a new building project?
Round final answer to 4 decimal places. e) What is the probability that less than 54 of them are in favor of a new building project?
Round final answer to 4 decimal places. f) What is the probability that more than 54 of them are in favor of a new building project?
Round final answer to 4 decimal places. g) What is the probability that exactly 60 of them are in favor of a new building project?
Round final answer to 4 decimal places. h) What is the probability that at least 60 of them are in favor of a new building project?
Round final answer to 4 decimal places. i) What is the probability that at most 60 of them are in favor of a new building project
Round final answer to 4 decimal places.
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