Actual proportion of cell phone

Assignment Help Basic Statistics

Reference no: EM131026450

A survey was conducted to determine what adults prefer in cell phone services. The results of the survey showed that 73% of cell phone users wanted e-mail services, with a margin of error of }4%. What is meant by the phrase "}4%"?

a They estimate that 4% of the surveyed population may change their minds between the time that the poll was conducted and the time that the results were published.

b There is a 4% chance that the true percentage of cell phone users who want e-mail service will not be in the interval (0.69, 0.77).

c Only 4% of the population was surveyed.

d It would be unlikely to get the observed sample proportion of 0.73 unless the actual proportion of cell phone users who want e-mail service is between 0.69 and 0.77.

e The probability is .04 that the sample proportion is in the interval (0.69, 0.77).

Reference no: EM131026450

Questions Cloud

Who is likely to engage in victim blaming : Who is likely to engage in victim blaming? What does Ryan mean by victim blamers "having it both ways?" Describe the steps involved in victim blaming.

Determine the adjustments that likely were made : Analyze the differences between the unadjusted and adjusted trial balances to determine the adjustments that likely were made. Show the results of your analysis by entering these adjustment amounts in the cells provided.

Why is he developing edema and gaining weight : Recently, his legs and feet are swollen, his weight has increased, headaches are frequent, he feels tired, and has lost his appetite. His blood pressure is 160/105, and he has elevated blood creatinine and urea levels. His urine is diluted. His he..

Indiana corporation began a construction project : Indiana Co. began a construction project in 2013 that will provide it $162 million when it is completed in 2015. During 2013, Indiana incurred $38 million of costs and estimates an additional $90 million of costs to complete the project.

Actual proportion of cell phone : It would be unlikely to get the observed sample proportion of 0.73 unless the actual proportion of cell phone users who want e-mail service is between 0.69 and 0.77. The probability is .04 that the sample proportion is in the interval (0.69, 0.77).

What is the limiting amount of c after a long time : How much of chemicals A and B remain after a long time?

Customers pay one-third of the sales price : Lake Power Sports sells jet skis and other powered recreational equipment.

Briefly analyze the role of the fasb specific : In your analysis and summary, consider the stakeholder groups that benefit from not-for-profit standards and how they might engage the FASB process.

Determine the quantities needed to make 5 litres of grout : using this information determine the quantities needed to make 5 litres of grout with a density of 2.000kg/litre

User Account

All Pages