Alexis wants to buy $500 worth of new clothes before school starts. She decides to have a garage sale to earn the money for the clothes. She hopes to sell her comic book collection for $200, stuffed toys for $100, a bicycle for $50, and a few knicknacks from her room for $250. The probabilities that her neighbors want to buy the stuff Alexis is selling are distributed as shown in the table.
P(X) Probability
Comics 1/4
Toys 1/4
Bikes 1/4
Knicknacks 1/4
What is Alexis's expected garage sale income, and how much more would she need to earn to break even?

Question

Alexis wants to buy $500 worth of new clothes before school starts. She decides to have a garage sale to earn the money for the clothes. She hopes to sell her comic book collection for $200, stuffed toys for $100, a bicycle for $50, and a few knicknacks from her room for $250. The probabilities that her neighbors want to buy the stuff Alexis is selling are distributed as shown in the table. 
P(X)	        Probability
Comics	1/4 
Toys	        1/4 
Bikes	        1/4
Knicknacks 1/4  
What is Alexis's expected garage sale income, and how much more would she need to earn to break even?

anonymous · Answer

The expected income is $150, and Alexis would need $350 more to break even.

The expected income is $600, and Alexis would need $100 less to break even. 

The expected income is $300, and Alexis would need $200 more to break even.

The expected income is $178.50, and Alexis would need $321.50 more to break even.

anonymous · Answer

the answer choices are above. i'm just really confused as to what do with this