Sunday
April 20, 2014

Homework Help: Stats

Posted by sam on Saturday, April 21, 2012 at 6:02pm.

A random sample of n=500 households in a certain metropolitan area revealed that 150 have combined cable, phone and internet service.
a.Calculate p-hat, the sample proportion of households having such service.
b.Calculate a confidence interval for π, the proportion of all households in this area that have such service; use a confidence level of 90%.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - Please help- A random sample of n=500 households where 150 have ...
Statistics - 3. A telephone company wants to estimate the porportion of ...
statistics - The average temperature in households is 67.6 degrees F. The ...
Math - A random survey of 500 households determines that 20% of the households ...
statistics - Annual household incomes in a certain region have a distribution ...
Stats - A random sample of two hundred fifteen adults is selected from a certain...
Math - How can you classify the 2 examples that you gave in part c? Is it: ...
AP Stats - The mean weight of pears grown in a certain orchard is 6 ounces with ...
stats of biologists - a manufacturer claims that the life time of a certain ...
college,stats/ PLZ HELP:( need it within nxt 6hrs - Among Canadian households, ...

Search
Members