STAT 1054-An American Automobile Association
An American Automobile Association (AAA) study investigated the question of whether a man or a woman was more likely to stop and ask for directions (AAA, January 2006). The situation referred to in the study stated the following: âIf you and your spouse are driving together and become lost, would you stop and ask for directions?â A sample representative of the data used by AAA showed 300 of 811 women said that they would stop and ask for directions, while 255 of 750 men said that they would stop and ask for directions.a) The AAA research hypothesis was that women would be more likely to say that they would stop and ask for directions. Formulate the null and alternative hypotheses at alfa = 0.05b) construct a 95% confidence interval for the difference between the two proportions.
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