What should I buy? A study conducted by the Pew Research Center reported that 58% of cell phone owners used their phones inside a store for guidance on purchasing decisions. A sample of 15 cell phone owners is studied.
What is the probability that exactly eight of them used their phones for guidance on purchasing decisions?
7 years ago
5
Answer(1)![blurred-text]()
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- PX8.docx
- PX8.docx