According To The Pew Research Center The Proportion Of The American Population Who Use Only A Cellular Telephone No La 1 (31.71 KiB) Viewed 76 times
According To The Pew Research Center The Proportion Of The American Population Who Use Only A Cellular Telephone No La 2 (11.39 KiB) Viewed 76 times
According to the Pew Research Center, the proportion of the American population who use only a cellular telephone (no landline) is 0.42. Jason conducts a survey of fifty 20- to 24-year-olds who live on their own and finds that 18 do not have a landline to their home. Does this provide sufficient evidence to conclude that the proportion of 20- to 24-year-olds who live on their own and don't have a landline is greater than 0.42? Use an a-0.10 level of significance.
Does this provide sufficient evidence to conclude that the proportion of Americans without landlines has decreased?
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