According to a Pew Research Center study, in May 2011, 40% of all American adults had a smart phone (one which the user can use

Question

3 years ago

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According to a Pew Research Center study, in May 2011, 40% of all American adults had a smart phone (one which the user can use

to read email and surf the Internet). A communications professor at a university believes this percentage is higher among community college students. She selects 341 community college students at random and finds that 147 of them have a smart phone. Then in testing the hypotheses:H0: p = 0.4 versusHa: p > 0.4,what is the test statistic?z =________________. (Please round your answer to two decimal places.)

Mathematics

1 answer:

kolbaska11 [484] · Answer 1 · 2022-01-28T21:55:47+03:00

kolbaska11 [484]3 years ago

7 0

Answer:

Step-by-step explanation: