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Mathematics 25 Online
OpenStudy (anonymous):

A board game has a spinner with 10 equal sections, numbered 1 through 10. In order to win the game, Mae needs to spin at least a 6 on each of her last two turns. What's the probability of this happening?

OpenStudy (anonymous):

my options 1% 10% 25% 36%

OpenStudy (anonymous):

i think its 25%

thomaster (thomaster):

So the change that you'll have a six or higher there are 10 parts you can say 1 part is 10% (10*10 = 100%)

thomaster (thomaster):

what is the probability that she will spin 6 or higher the first spin?

OpenStudy (anonymous):

10% ?

thomaster (thomaster):

how many different numbers will meet the condition?

OpenStudy (anonymous):

10

thomaster (thomaster):

No, she needs to spin 6 or higher that means 6, 7, 8, 9 and 10 will meet the condition So 5 numbers. each part has a 10% change so 5 parts will have 50% change The first time she spins she has 50% change of getting 6 or higher Now she needs both spins to end on 6 or higher So that would be another 50% What is 50% of 50%? So the half of 50%

OpenStudy (anonymous):

36% ?

OpenStudy (anonymous):

no 25 so 25%

thomaster (thomaster):

That's correct :) when you divide something by 2, you'll have 50% of the original number 50/2 = 25 so the andwer is 25%

OpenStudy (anonymous):

thanks

thomaster (thomaster):

No problemo ;)

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