AT&T would like to test the hypothesis that the proportion of 18- to 34-year-old

Question

AT&T would like to test the hypothesis that the proportion of 18- to 34-year-old Americans that own a cell phone is less than the proportion of 35- to 49-year-old Americans. A random sample of 200 18- to 34-year-old Americans found that 126 owned a smartphone. A random sample of 175 35- to 49-year-old Americans found that 119 owned a smartphone. If Population 1 is defined as 18- to 34-year-old Americans and Population 2 is defined as 35- to 49-year-old Americans, the correct hypothesis statement for this hypothesis test would be _______________.

Explanation / Answer

here let proportion for population 1 is p1 and that for population2 is p2

therefore null hypothesis:Ho: p1>=p2

alternate hypothesis: Ha: p1<p2

please revert as options image is not uploaded clearly

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects