Question:
According to a poll about phone use, 25% of all U.S.
Last updated: 7/10/2022
![According to a poll about phone use, 25% of all U.S.](https://media.kunduz.com/media/sug-question/raw/71982909-1657472729.3839827.jpeg?h=512)
According to a poll about phone use, 25% of all U.S. households are "wireless only," meaning they do not have a land line. In a random sample of 15 households, what is the expected number of households that are wireless only? 4 3.75 3 0.25