FAN AND MEDAL
A spinner is separated into 3 equal pieces, as shown below:
A spinner is shown with three colors, red, yellow, and purple, marked on it. The arrow points towards the red color.
Mary spins the spinner 6 times. What is the theoretical probability that it stops on the red sector on the last spin?
1 over 36
1 over 9
1 over 3
2 over 3
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OpenStudy (anonymous):
@chrissyC.
OpenStudy (anonymous):
Ok do you have any guesses?
OpenStudy (anonymous):
i have no idea
OpenStudy (anonymous):
Ok give me one second
OpenStudy (anonymous):
|dw:1429377770745:dw| This is how the spinner is looking for the first step
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OpenStudy (anonymous):
sorry i forgot to put it in
OpenStudy (anonymous):
Mk so yea it looks similar to the one i've done . Now pretend that your mouse or your finger is the arrow and spin it 6 times around the circle
OpenStudy (anonymous):
okay and what do i then do?
OpenStudy (anonymous):
which color did you land on
OpenStudy (anonymous):
purple
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OpenStudy (anonymous):
|dw:1429378091710:dw|
OpenStudy (anonymous):
ok seems like we both landed on purple
OpenStudy (anonymous):
So with this information that we have gotten D would be crossed out there is not a chance of 2/3 for red to be picked
OpenStudy (anonymous):
okay
OpenStudy (anonymous):
also were would we get 36 or 9 from A and B ????
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OpenStudy (anonymous):
idk
OpenStudy (anonymous):
so its 1 over 3?
OpenStudy (anonymous):
i would go with C because the circle is split in 3 so every color has the same chance of being picked so each color is 1 to 3--1 to 3---1 to 3 With this information like i said i'd go with C