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When Chase goes to the cafeteria for lunch he chooses from four different types of sandwiches, three different types of fruit and five different drinks. If he wants a sandwich, piece of fruit and a drink, how many different 3 item meals can Chase choose? What is the probability that Chase selects a tuna sandwich, a kiwi and a V8 for lunch?

Sagot :

,Sandwiches = 4

Fruit = 3

Drinks = 5

His choice is = A sandwich, piece of fruit and a drink

[tex]\begin{gathered} \text{ }^4C_1\times\text{ }^3C_1\text{ }\times\text{ }^5C_1 \\ =\text{ 4 }\times3\times5 \\ =60 \end{gathered}[/tex]

What is the probability that Chase selects a tuna sandwich, a kiwi and a V8 for lunch?

[tex]\frac{1}{4}\times\frac{1}{3}\times\frac{1}{5}\text{ =}\frac{1}{60}[/tex]

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