2. What conditions must be met for the hypothesis test to be valid? |A. There must be at least 10 'success' and 10 'failure' observations. B. Population data must be nearly normal or the sample size...

Extracted text: 2. What conditions must be met for the hypothesis test to be valid? |A. There must be at least 10 'success' and 10 'failure' observations. B. Population data must be nearly normal or the sample size must be at least 30. C. Each observation must be independent of all other observations. O D. There must be an expected count of at least 5 for each level of the categorical variable. )E. There must be at least levels of the categorical variable. 3. Under the null hypothesis, what is the expected count for the movie The Avengers? expected value = 4. When calculating the test statistic, what is the contribution from the movie The Avengers? contribution = 5. What is the degrees of freedom for the test statistic? df =


Extracted text: Marvel movies - Kylie is a huge fan of Marvel movies. She finds an online poll that asks, "What is the best movie of the Marvel Cinematic Universe?" and saves the data. For a class project she wants to determine if the distribution of her classmates' favorite Marvel movies is different from the one published in the online poll. She surveys the 215 students in her statistics class. The table below contains the percentages reported by the online poll and the observed counts from her classmates. Report all calculated answers to 4 decimal places. Poll Observed Movie Percentage Count Captain America: The Winter Soldier 18.1% 34 Guardians of the Galaxy 14% 34 The Avengers 13.9% 32 Captain America: Civil War 11.4% 24 Iron Man 7.5% 20 Doctor Strange 3.7% 10 Other Marvel movie 31.4% 61