happypickle2004 happypickle2004

11-01-2024
Mathematics

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One type of air craft is found to develop engine trouble in 5 flights out of a total of 100 and another type in 7 flights out of a total of 200 flights. Is there a significance difference I n the two types of air craft’s so far as engine defects are concerned? Test at 5% significance level.

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