1. Ho: P1 = 0.6, p2 = 0.2, p3 = 0.2, Ha: At least one pi is different from the value specified in the null Data were collected from a random sample of n=100. Given the hypotheses above, compute the expected count for group 1. 2. What are the degrees of freedom for a 2x4 chi-square test of independence? 3. Research Question: Is there a relationship between whether or not someone likes chocolate cupcakes and whether or not they like chocolate milk? Study Design: A sample of 200 participants is obtained. Each person is asked if they like chocolate cupcakes (yeso) and if they like chocolate milk (yeso). Which of the following statistical analyses should be used to analyze these data? C Chi-square goodness-of-fit test C Chi-square test of independence Two independent means t test Two paired (dependent) means t test