Translate the English sentence into an equation using the variables indicated.
The ratio of brick houses to wooden houses in a particular city is 5 to 11. Let b = the number of brick houses and w = the number of wooden houses.
There are two small cities, Santa Clara and Santa Rosa. Santa Clara has 20 houses and Santa Rosa has 15 houses. An inspector must randomly choose 5 houses in Santa Clara and 7 houses in Santa Rosa to inspect. How many different ways can this be done?
The Cabrillo Construction Company constructs houses on speculation. That is, the houses are begun before any buyer is known. Even if the buyer agrees to purchase a house under construction, no sales are recorded until the house is completed and accepted for delivery. The job-cost records contained the following (in thousands):
A real estate agent has four houses to sell before the end of the month by contracting prospective customers one by one. Each customer has an independent 0.24 probability of buying a house on being contacted by the agent.
a. If the agent has enough time to contact only 15 customers, how conflict can she be of selling all fou
The real estate assessor for a county government wants to study various characteristics of single-family houses in the country. A random sample of 70 houses reveals the following:
- Heated area of the house (in square feet): X =1,759, S=380.
- 42 houses have central air-conditioning.
a. Construct a 99% confidence interv
For several decades, it was a common practice in Southern California for houses to be built with pools in the backyard (as any airplane flight which ends at a Southern California airport will reveal). Now, however, that practice may be changing, possibly because of the recent demand for landscaped homes, which experts believe he
1. A real estate investor has two houses: A and B. Each house may increase in value, decrease in value, or remain unchanged. Consider the experiment of investing in the two houses and observing the change (if any) in value:
a. How many experimental outcomes are possible?
b. Show a tree diagram for the experiment.
In Metro, there are three types of houses: E (expensive), M (medium), and C (cheap). A recent survey suggest that there are three types of preferences for fire protection: H (high), I (intermediate), and L (low). Mr Wizard, an economic consultant to the city, recently made the following statement: "If my assumptions are correct