Question: Count Buff ons coin again Refer to Example 9.9 (page 445). (a) Construct and interpret a 95% confi dence interval for the overall proportion of
Count Buff on’s coin again Refer to Example 9.9 (page 445).
(a) Construct and interpret a 95% confi dence interval for the overall proportion of times that Buff on’s coin would land heads up.
(b) Is p 0.5 a plausible value for the population proportion? Justify your answer.
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