A professor using an open source introductory statistics book
predicts that 60% of the students will purchase a hard copy of the book, 25% will print it out from
the web, and 15% will read it online. At the end of the semester he asks his students to complete
a survey where they indicate what format of the book they used. Of the 126 students, 71 said
they bought a hard copy of the book, 30 said they printed it out from the web, and 25 said they
(a) State the hypotheses for testing if the professor