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A Ferry will safetly accomodate 90 tons of passanger cars. Assume that the mean weight of...

A Ferry will safetly accomodate 90 tons of passanger cars. Assume that the mean weight of a passanger car is 2.7 tons with a standard deviation of 0.7 tons. If a random sample of 30 cars are loaded onto the ferry, what is the proability that the maximum safe weight will be exsceeded. Draw a sketch and shade the region of interest.

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