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Mathematics 11 Online
OpenStudy (anonymous):

FAN AND MEDAL A spinner and 2 cards are shown below:

OpenStudy (anonymous):

OpenStudy (anonymous):

Sophie spins the spinner and picks up a card without looking. What is the probability that the spinner stops at red and a green card is selected? 1 over 49 1 over 16 1 over 14 1 over 2

OpenStudy (anonymous):

@danicap

OpenStudy (nottim):

why not you draw it out.

OpenStudy (nottim):

Notice it said AND too, so it is a permutation, not a combination (which is or)

OpenStudy (nottim):

wait why the medal we haven't even solved it.

OpenStudy (anonymous):

i didn't gave u a medal

OpenStudy (nottim):

oh.

OpenStudy (anonymous):

somebody else did

OpenStudy (anonymous):

I think D but idk :P

OpenStudy (nottim):

it def. can't be d.

OpenStudy (anonymous):

oh sorry mr. tim. wby 1 over 14. 2 cards for each color. 7*2=14

OpenStudy (nottim):

yeah that's what i got too. and i'm not tim. darnit NOT. TIM. its simple.

OpenStudy (nottim):

\[1/7\times 1/2 \] is the formula i used, if you need to know. AND and OR represent whether you need to add or multiply (not respective, i just don't remember)

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