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Mathematics, 13.12.2019 17:31 charati5408
The following data represent the discrete probability distribution for the number of stars that reviewers have a first edition statistics reference book. stars 5 4 3 2 1 probability 25% 35% 20% 10% 10% the second edition of this reference book has been released and a random sample of people that have purchased the book has been collected with the following results. stars 5 4 3 2 1 frequency 28 28 13 6 5 the publisher would like to know if the probability distribution for reviews has changed from the first edition to the second edition using α = 0.025. the expected frequency of three-star reviews is
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