Question

In: Statistics and Probability

Suppose that 32 of the 1500 people that received an email we sent, clicked on the...

Suppose that 32 of the 1500 people that received an email we sent, clicked on the offer image. What is the estimate for the left end point of a 95% confidence interval for the proportion of people in the population that will click on an offer that we send them?

Solutions

Expert Solution

We have given,              
              
x=32          
n=1500          
Estimate for sample proportion=0.0213  
Level of significance is =1-0.95=0.05      
Z critical value(using Z table)=1.96      
              
Confidence interval formula is              


=(0.0140,0.0286)
          
Lower limit for confidence interval=0.0140  
              
Upper limit for confidence interval=0.0286  

Therefore, the estimate for the left end point of a 95% confidence interval =0.0140



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