Cell phones are used for many purposes besides making calls. A study conducted in 2006 found...
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Cell phones are used for many purposes besides making calls. A study conducted in 2006 found that more than 75% of young adults (defined as 18-25 years old) use their cell phones for taking pictures at least twice weekly. This study also suggested that the proportion of young women in this age group who uses their cell phones for take pictures was higher than that of young men in this age group. A follow-up study was conducted by a mobile marketing firm to investigate this conjecture. State the hypotheses. NOTE: p1 is the population proportion of young women 18-25 y.o. who report using their cell phone to take pictures at least twice weekly, and p2 is the population proportion of young men 18-25 y.o. who report using their cell phone to take pictures at least twice weekly. A B C HO: p1=p2, Ha: p1 #p2 HO: p1=p2, Ha: p1>p2 HO: p1=p2, Ha: p1 <p2 Choose the type of test used in Q.1. A Two-sided B One-sided, right-sided (or right-tailed) C One-sided, left-sided (or left-tailed) Cell phones are used for many purposes besides making calls. A study conducted in 2006 found that more than 75% of young adults (defined as 18-25 years old) use their cell phones for taking pictures at least twice weekly. This study also suggested that the proportion of young women in this age group who uses their cell phones for take pictures was higher than that of young men in this age group. A follow-up study was conducted by a mobile marketing firm to investigate this conjecture. State the hypotheses. NOTE: p1 is the population proportion of young women 18-25 y.o. who report using their cell phone to take pictures at least twice weekly, and p2 is the population proportion of young men 18-25 y.o. who report using their cell phone to take pictures at least twice weekly. A B C HO: p1=p2, Ha: p1 #p2 HO: p1=p2, Ha: p1>p2 HO: p1=p2, Ha: p1 <p2 Choose the type of test used in Q.1. A Two-sided B One-sided, right-sided (or right-tailed) C One-sided, left-sided (or left-tailed)
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Answer for part 1 C H0 p1 p2 Ha p 1 p2 Explanation In 200 6 a stud y f oun d t hat mo re t h an 7 5 of young adults de fined a s 1825 y ear s old use ... View the full answer
Related Book For
Basic Business Statistics Concepts and Applications
ISBN: 978-0132168380
12th edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
Posted Date:
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