SOLUTION: 1. A poll of 400 people from Dobbs Ferry showed 250 preferred chocolate raspberry coffees while 170 out of 350 in Irvington preferred the same flavor. To test the hypothesis that t

Algebra ->  Probability-and-statistics -> SOLUTION: 1. A poll of 400 people from Dobbs Ferry showed 250 preferred chocolate raspberry coffees while 170 out of 350 in Irvington preferred the same flavor. To test the hypothesis that t      Log On


   

Question 1157154: 1. A poll of 400 people from Dobbs Ferry showed 250 preferred chocolate raspberry coffees while 170 out of 350 in Irvington preferred the same flavor. To test the hypothesis that there is no difference in preferences in two villages, what is the null hypothesis?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Let p1= the true probability of DF
let p2= the true probability of I
Ho:p1=p2 ANSWER
Ha: p1 NE p2