Posted by **Amy** on Wednesday, August 10, 2011 at 9:30am.

The probability that a person has an unlisted telephone number is 0.15. The district manager of

a political action group is phoning people urging them to vote. In a district with 416 households, all households have phones. What is the probability that the district manger will find that:

(a) between 40 and 80 have unlisted numbers?

## Answer This Question

## Related Questions

- statistics - The probability that a person has an unlisted telephone number is 0...
- math - In the year 2003, the population of a certain district was 1.8 million. ...
- math - In the year 2003, the population of a certain district was 1.8 million. ...
- statistics - A research organization claims that the monthly wages of industrial...
- statistics - A research organization claims that the monthly wages of industrial...
- statistics - A research organization claims that the monthly wages of industrial...
- U.S. Government - 1. Amendment -- gave all men the right to vote regardless of ...
- Statistics - if it can be assumed that 39.5% of all telephone #'s are unlisted, ...
- statistics - Two different samples drawn independently from the two district ...
- government - a house district drawn to give an advantage to one political party ...

More Related Questions