The weather forecast predicts a 60% chance of rain.
if it does not rain, the Hershey family has a 90% chance of going to an amusement park.

What is the probability of going to the amusement park?

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  1. can't say, since we have no idea of the chance of going to the park if it does rain.
    If that is 0%, then P(~rain & park) = 0.40 * 0.90

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