For a class of students, the association between GPA and SAT…

For a class of students, the association between GPA and SAT math score is roughly linear.  The equation of the least-squares regression line relating y = SAT math score to x = GPA is  = 410.54 + 67.3x.  Predict the SAT math score for Jessica, who has a 3.00 GPA.  

Time magazine reported in a 2004 survey of 507 randomly sele…

Time magazine reported in a 2004 survey of 507 randomly selected adult American Catholics, that 279 answered yes to the question “Do you favor allowing women to be priests?” A test of hypothesis was conducted to determine if this data shows that the population proportion of adult American Catholics who favor allowing women to be priests is more than 50%.    If they obtained a p-value of p=0.0118, what conclusion should they make based on an alpha level of 0.05?