10.2) John has two unfair coins, and he claims that they are from the same model...

10.2) John has two unfair coins, and he claims that they are from the same model with the probability of obtaining a head being 0.4. Coin A is tossed 100 times and 38 heads are observed. Coin B is tossed 200 times and 86 heads are observed. At the significance level α being 0.05, check whether these two coins are identical

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