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Binomial Distribution Problem. A study conducted by the Pew Research Center reported that 60% of cell...

Binomial Distribution Problem. A study conducted by the Pew Research Center reported that 60% of cell phone owners used their phones inside a store for guidance on purchasing decisions. A sample of 20 cell phone owners is studied.

What is the expected number of cell phone users that used their phones for guidance on purchasing decisions? For this problem we want just the answer. Please give up to 4 significant decimal places, and use the proper rules of rounding.

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