Hi

A realty company has 100 homes listed for sale

           G-only   F-only       both     neither   Total

status      30        10          50        10       100



P( that the home selected does not have a fire place)= 1 - 60/100 = 40/100

P(that the home selected has a fireplace or a garage) 

 P(A or B) = P(A) + P(B) - P(A and B) = 90/100 - 50/100 = 40/100 

P(that the home selected had neither a fireplace nor a garage)= 10/100

P(that the home selected has a garage but not a fireplace)= 30/100

P(the home selected has a garage, given that it has a fireplace) 

   P(A|B) = P(A and B)/P(B)= 50/100/60/100 = 50/60

may reduce fractions as necessary for classroom format. 

RELATED QUESTIONS

A realty company has 100 homes listed for sale.Some of thses homes have fire places, some  (answered by stanbon)

A realty company has 100 homes listed for sale.Some of these homes have fire places, some  (answered by richwmiller)

I need help with this problem.

Real Estate ads suggest that 53% of homes for sale have  (answered by ewatrrr)

​Real estate ads suggest that 52% of homes for sale have​ garages, 39% have... (answered by ikleyn)

Need Help With This Problem.. Thank You!!!
17. In a subdivision, 67% of the homes have... (answered by edjones)

Assume that there are 21 homes in the Quail Creek area and four of them have a security... (answered by Boreal)

Data from a certain city shows that the size of an individual’s home is positively... (answered by Theo,ikleyn)

The sales of homes in a new development have been increasing. In January, 5 homes were... (answered by ikleyn)

Joseph has 8 coins for a total of $1.40. Some of the coins are nickels and some are... (answered by tiffany222)