Question: Samples of an experimental material are produced by three different prototype processes and tested for compliance to a strength standard. If the tests showed the

Samples of an experimental material are produced by three different prototype processes and tested for compliance to a strength standard. If the tests showed the following results, can it be said at the 0.01 level of significance that the three processes have the same probability of passing this strength standard?

Process A Process B 58 15 Process C 49 35 Number passing test Number failing test

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