According to a poll about phone use, 25% of all U. S. households are "wireless only," meaning they do not have a land Ilne. In a random sample of 15 households, what is the expected number of households that are wireless only?4
3.75
3
0.25

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet