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An advertisement for a fishing boat out of Maine states that 75% of its charters catch...

An advertisement for a fishing boat out of Maine states that 75% of its charters catch a fish over 150 pounds. You have a feeling that either this boat captain is very lucky or this must be a mistake. You start to keep track and last session, 64 of the 83 charters did catch fish over 150 pounds. Does this suggest that the proportion of charters that catch a fish over 150 pounds is different than 75%? Use a=0.05.

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