Confidence interval for the true proportion of all e-mail

Reference no: EM1386520

You work for the consumer insights department of a major big box retailer and you are investigating the efficacy of a new e-mail marketing campaign. Through the use of e-mail analytics research, you have determined that in a sample of 796 monitored subscribers, 122 of them opened the e-mail within 24 hours of receiving it. What is the 99% confidence interval for the true proportion of all e-mail subscribers that opened the e-mail within 24 hours of receiving it?

1) ( 0.1405 , 0.16603 )

2) ( 0.12356 , 0.18297 )

3) ( -0.12038 , 0.18616 )

4) ( 0.81384 , 0.87962 )

5) ( 0.12038 , 0.18616 )

Reference no: EM1386520

Questions Cloud

Determine the highest speed attained by rocket : A krypton laser produces a cylindrical red laser beam 2.0 in diam with 2.0 of power. What is the light intensity on a wall 2.5 away from laser.

Greek account of creation of universe : The Greek account of the creation of the universe gives us a peek into the minds of primitive man. This account of the creation reveals a stark contrast to modern-day versions of the creation.

Human body is truly remarkable - case study : The human body is truly remarkable and is designed to function effectively. Organs are important structures composed of different tissues that facilitate specific functions within the body.

Write program to evaluate young worker-s earning : Write down a program to evaluate how much young worker will make before retiring at age 65. Request worker's name, age, and starting salary as input.

Confidence interval for the true proportion of all e-mail : What is the 99% confidence interval for the true proportion of all e-mail subscribers that opened the e-mail within 24 hours of receiving it?

Define the enhancement in temperature of the bullet : A grinding wheel 0.45 in diam rotates at 2900. What is acceleration of a point on the edge of the grinding wheel.

Various models or analogies of nature : Summarize and describe the main differences between the various models or analogies of nature outlined by R. G. Collingwood in the idea of nature.

Sample proportion of a sample size : A sample proportion is calculated from a sample size of 394. How large of a sample would we need in order to decrease the standard error by a factor of 9?

Create a vector or plasmid in class : Jimmy, a new undergraduate researcher in the lab, is told to make a vector having a copy of the CELLBIO gene from Dr. Acosta's genome as well as a selectable gene, Ampr.

User Account

All Pages