The odds in favour of the spinner landing on the region labelled yellow on the spinner shown below is 1:5. Blue Orange Yellow Green Red Purple A new spinner is being developed. The yellow region will be twice as large as the yellow region shown above, the blue region will be eliminated and the red, purple, green and orange regions will stay the same. The odds in favour of the spinner landing on the yellow region in the new spinner is Record your answer in the form a:b

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.