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The following data represent the discrete probability distribution for the number of stars that ...

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The following data represent the discrete probability distribution for the number of stars that ...

The following data represent the discrete probability distribution for the number of stars that reviewers gave a first edition statistics reference book.

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.

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 ________.

▸ 6

▸ 9

▸ 12

▸ 16

Textbook

Business Statistics

Edition: 2^nd

Author: Donnelly

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