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Test the hypothesis that the two boxes

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Reference no: EM131447254

Question:

Two boxes, A and B contain equal numbers of balls (black and white).

A sample of 100 balls selected with replacement from each of the boxes revealed 52 white balls form box A and 44 white balls from box B.

1. Test the hypothesis that the two boxes have equal ratio of white balls, using a significance level of 0:05.

2. Test the hypothesis that box A has greater ratio of white balls than box B, using a significance level of 0:05

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This task provides a clear working example of two proportion z test. The first problem shows the use of two tailed test and the second problem shows the use of one tailed test. The direction of the test was based on the alternative hypothesis.

Reference no: EM131447254

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