Question

on rec Results: Test statistic t P-value Draw the curve Decision Conclusion 13 dangens 7. A recent survey asked San Diego residents the following question:"If you had been aware that before Schwarzenegger ran for Governor, he had fathered a child outside of his marriage, would you still have voted or rmorg ogher Paporhon him?"Out of the 136 males surveyed who had voted for Schwarzenegger at least once 78 said they would still vote for him, and out of the 128 females 48 said they would. ons or a. Calculate a 96% confidence interval for the difference between the proportions of male and female san Diego residents who would have voted for Schwarzenegger even if they knew that he had fathered a child outside of his marriage. Interpret the interval

Answer 1

Let Pi is PTOPOT tion 6 males Psporthon males and P2is 78 136 ]28 D375 nfiden ce iuteova The 4oD Ci-) (-) n2 So ake want o. Value pobabslityhich Standard nosmal norma vaTiate ) distn table . [PC2 <z< = 1 - .O5 Thus, the 96 O33 61

iven data (Assume ma putation distoibuton diference male and ale nosma that tee ioded (o 0601 3361 wit lies nder va confidence of other cooY dsi samples OD be pPulat,on n rem femak giZe male and POpulation 96 di ference PTpoYtion votes fal in a bove averoge an