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Calculate the z test statistic

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Reference no: EM132413669

A person tosses a coin 200 times, and it comes up heads 87 times and tails 113 times.

(a) Does this provide significant evidence that the coin is unfair? Calculate the z test statistic, give the P-value, then state your conclusion.

(b) Now use a χ2 goodness-of-fit test to address the same question. Does your conclusion change?

Reference no: EM132413669

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