Question 1

The cafeteria staff made sandwiches. Each sandwich had either rye or white bread, either ham or turkey, and either cheese or no cheese. The staff made an equal number of each type of sandwich. The sandwiches were placed on a tray. Without looking, Mary will choose a sandwich. What are the chances that Mary will get a sandwich with cheese? 
(*NO CALCULATOR*)

Accepted Answer

$\frac{1}{2}$

Answer

$\frac{1}{8}$

Answer

$\frac{1}{6}$

Answer

$\frac{1}{3}$

Question 2

The probability that a person in a certain town has brown eyes is $2$ out of $5$. A survey of $450$ people from that same town was taken. How many people would be expected to have brown eyes?

Accepted Answer

$180$

Answer

$90$

Answer

$225$

Answer

$45$

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