In: Statistics and Probability
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.
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