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Claim: Most adults would erase all of their personal information online if they could. A software...

Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 550 randomly selected adults showed that 65​% of them would erase all of their personal information online if they could. Find the value of the test statistic.

Math   Statistics-And-Probability   
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Answer #1

We have for given example,              
Population proportion value is =0.5          
      
Estimate for sample proportion = 0.65          
              
Z test statistic formula for proportion

              

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