Please help specially with the fill in sections

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 134 students, 76 said they bought a hard copy of the book, 31 said they printed it out from the web, and 27 said they read it online. (Use a signicance level of 0,05.) . (a) State the hypotheses for testing if the professor's predictions were inaccurate. H0: The distribution of the format of the book used by the students follows the professor's predictions. 'HA: The distribution of the format of the book used by the students does not follow the professor's predictions. H0: The distribution of the format of the book used by the students does not follow the professor's predictions. HA: The distribution of the format of the book used by the students follows the professor's predictions. H0: \"hard copy = \"print = yonline HA: at least two of the group means, uhard copy, ppm\