Math 146 Chap 7 & 8 Extra Credit + 5 pts. Name_________________________________________ This problem must be done without the calculator apps. Carry out each answer to 4 decimal places. To get full credit work must be done neatly and be labeled. A random sample of 257 dog owners was taken 10 years ago, and it was found that 146 owned more than one dog (Sample 1). Recently, a random sample of 380 dog owners showed that 200 owned more than one dog (Sample 2). Do these data indicate that the proportion of dog owners owning more than on dog has decreased? Use a 5% level of significance. 1) State the null and alternative hypotheses. 2) Find = ___________, p1 p2 = ___________, - = ___________, and p - = _____________. q 3) Without using the calculator app, find the value for z using the formula z = p1 _ p2 - 1 1 p q + n 1 n2 4) Find the P-value for the z-statistic using normalcdf (_____________,____________. 0, 1). 5) State your conclusion about H0 and why you chose it