Question

A sample of 309 urban adult residents of a particular state revealed 62 who favored increasing the highway speed limit from 55 to 65 mph, whereas a sample of 184 rural residents yielded 71 who favored the increase. Does this data indicate that the sentiment for increasing the speed limit is different for the two groups of residents? (a) Test Ho' ρι P2-0 versus Ha P1-P2 # o using α-o os, where pi refers to the urban population. (Round your test statistic to two de inal places and your p.value to four decimal places.) P.value State the conclusion in the problem context. O Reject Hor The data does not suggest that the sentiment for increasing the speed limit is different for the two groups of residents ° Fail to reject Mor The data suggests that the sentiment for increasing the speed limit is different for the two groups of residents. Ο Fail to reject Ho. The data does not suggest that the sentiment for increasing the speed limit is deferent for the two groups of residents. Reject Mar The data suggests that the sentiment for increasing the speed limit is different for the two groups of residents 0.40 (rural), what is the probability that Ho will be rejected using a level 0.05 test with (b) If the true proportions favoring the increase are actually ρι m309, n1847 (Round your answer to four decimal places) 0.21 (urban) and p2

Answer 1

niven ,-구 2. O. 2006S 309 Test So- 乙ニ 2

Co we Reject ナ speed limit is differed for-hu tuo 6moR8 , 2709 2(-40 3091(2yo9 ← 0-19 2