A neighborhood has 15 houses for sale. Five of these houses were less than 10 years old and the others were 10 years or older. If one house is purchased at random from this neighborhood, the probability that it is 10 years or older is 0.66.

Question

Quizplus · Accepted Answer

There are 15 houses in total, with 5 being less than 10 years old, leaving 10 houses that are 10 years or older. Therefore, the probability of selecting a house 10 years or older is 10/15, which simplifies to 2/3 or approximately 0.66.

A Neighborhood Has 15 Houses for Sale