Question

In: Statistics and Probability

In a recent survey of 300 owners of Android phones, 171 of them planned to get...

In a recent survey of 300 owners of Android phones, 171 of them planned to get another Android as their next phone. Construct a 95% confidence interval for the proportions of Android users who plan to get another Android.

Solutions

Expert Solution

We have given here,                                                  
                                                  
x=171                                              
n=300                                              
Estimate for sample proportion                                                  
  
Level of significance is =1-0.95=0.05                                          
Z critical value(using Z table)=1.96  

   


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