10. Is the Euro fair Soon after the Euro was introducedas
Chapter 21, Problem 10(choose chapter or problem)
10. Is the Euro fair? Soon after the Euro was introducedas currency in Europe, it was widely reported that someonehad spun a Euro coin 250 times and gotten heads 140times. We wish to test a hypothesis about the fairness ofspinning the coin.a) Estimate the true proportion of heads. Use a 95% confidenceinterval. Dont forget to check the conditions.b) Does your confidence interval provide evidence thatthe coin is unfair when spun? Explain.c) What is the significance level of this test? Explain.
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