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a tube of toothpaste contains 4.2 ounces. as peopel use the tube the amount remaining is random. assume the amount of toothpaste remaining follows a...

a tube of toothpaste contains 4.2 ounces. as peopel use the tube the amount remaining is random. assume the amount of toothpaste remaining follows a uniform distribution.

a. how much toothpaste would you expect to be remaining in the tube?
b. what is the standard deviation of teh amount remaing in the tube?
c. what is the likelihood there is less than 3 ozs remaining in the tube?
what is the probability there is more than 1.5 ounces remaining in the tube?

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