Homework Help: stor

Posted by ami on Monday, September 17, 2012 at 7:13pm.

Twitter: Suppose that the population proportion of Internet users whosay they use Twitter or a similar service to post updates about themselves or to see updates about others is 19%. Think about selecting random samples from a population in which 19% are Twitter users.

a) Describe the sample space for selectin a single person.

b) If you select 3 people, describe the sample space.

c) Using the results from ‘b’ define the sample space for the random variable that expresses the number of Twitter users in the sample of size 3.

d) What information is contained in the sample space for part b that is not contained in the sample space for part c. Do you think this information is important? Explain.

No one has answered this question yet.

Answer this Question

Related Questions

Math - if brazil got 11401 internet subscribers (1000s) and 67510 internet users...
statistics - You are a travel agent and wish to estimate, with 98% confidence, ...
statistics - Webcredible, a UK-based consulting firm specializ- ing in websites...
Stats PLEASE HELP!!! - Webcredible, a UK-based consulting firm specializ- ing in...
Maths - According to the CIA fact book there were 1018057384 internet users in ...
Math - According to the CIA fact book there were 1018057384 internet users in ...
8th grade - According to the CIA fact book there were 1018057384 internet users ...
tachnology - who started twitter
Statistics - According to the Pew Internet &American Life Project. 75% of ...
Stats - A random sample of n=500 households in a certain metropolitan area ...

For Further Reading

First Name:
School Subject:
Answer: