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4 colours = 1 divided by 4 = 1 quarter per colour

red + blue = 1/4 +1/4 = 1/2

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Q: If you had a spinner with blue red yellow and green what is the probability for choosing a red or blue?
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Related questions

What is the probability against a spinner landing on a green space if the spinner has 8 sections and 3 of them are green answer?

The probability is 0.625


What is the probability of choosing green or yellow?

You aren't close to providing enough information.


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You find out how many choices there are in a spinner and then you take what it wants you to find the probability of and tur it into a fraction For example: You have a spinner with 4 triangles in it....2 are red and 2 are green,What is the probability of landing on a green triangle 2 out of 4


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If a five color spinner with equal sections of red blue green yellow and orange is spun six times, the probability of getting no reds in all six spins is 26.2%. The probability of no red on one spin is 4 out of 5, or 0.8 The probability of no red in six spins is 0.86.


A five color spinner with equal sections of red blue green yellow and orange is spun What is the probability of getting a blue on the twelfth spin?

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There are 12 marbles in a bag1 black2 oranges 4 green5 yellow What is the probability of choosing green or yellow?

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Assuming you want the probability FOR A SINGLE TRY, and you want the numbers in that exact order, the probability for each part (for instance, first = red; or second = green) is 1/4; therefore, the probability for the combination is (1/4) to the power 4.


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What is the probability of choosing a green marble from A jar containing 4 red 7 green and 5 blue marbles?

There are 16 marbles total and 7 green ones, so the probability is 7/16.