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Mathematics 9 Online
OpenStudy (anonymous):

A spinner (betting sheel) has eight equal sectors coloured in blue, green, yellow and red as shown below. Lucky Pierre Salinger bet on getting two of the same color in two spins (i.e. 2 reds OR 2 blues OR 2 greens) in three spins in a row. What is the probability of the event of getting two of the same color in two spins? Warning: this is harder than Salinger’s other wheel problem.

OpenStudy (anonymous):

@satellite73

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