Su Z Doom is testing out the sound system for the concert tonight. One of the microphones has been unplugged. If she goes to test the system and first tries themike that will not work she will freak out and cancel her show. What is the probability that the show will go on as planned?
Express your answers as a ratio in simplest form using a colon to seperate the numbers. example 3:4.

 
Sal has forgotten which part of the tools shed he has stored his chainsaw. What is the probability that the first door he opens will have the chainsaw stored in that section?
.
Express your answers as a ratio in simplest form using a colon to seperate the numbers. example 3:4.

 

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 writing: Kirsten Anderson

 art: mC