Monday
March 30, 2015

Homework Help: Statistics

Posted by Adam Dane on Sunday, March 31, 2013 at 3:10pm.

Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the Social Security system. The president wants the estimate to be within 0.028 of the true proportion. Assume a 99 percent level of confidence. The president's political advisers estimated the proportion supporting the current policy to be 0.62

(a) How large of a sample is required?

(b) How large of a sample would be necessary if no estimate were available for the proportion that support current policy?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics #3 - The estimate of the population proportion is to be within plus ...
statistics - 2. An investigator wants to estimate caffeine consumption in high ...
statistics - Suppose 1,600 of 2,000 registered voters sampled said they planned ...
Statistics - An auditor wants to estimate what proportion of a bank’s commercial...
Statistics - Tony's Pizza guarantees all pizza deliveries within 30 minutes of ...
statistics - An investigator wants to estimate caffeine consumption in high ...
statistics - The 2003 Statistical Abstract of the United States reported the ...
Statistics (46) - The 2003 Statistical Abstract of the United States reported ...
Elementary Statistics - 1) Construct a confidence interval of the population ...
statistics - In a poll of 700 selected people in the USA who are 50 years or ...

Members