February 23, 2017

Homework Help: statistics

Posted by candace on Monday, March 7, 2011 at 3:58pm.

According to an estimate, 50% of the people in America have at least one credit card. If a random sample of 30 persons is selected, what is the probability that at most 18 of them will have at least one credit card?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions