Selecting Condiments A box of condiments has ten small packages, in which three are ketchup, three...

Selecting Condiments A box of condiments has ten small packages, in which three are ketchup, three are mustard, and four are relish. A sample of three packages is randomly selected (without replacement) from the box.

1. Find the probability distribution for X, the number of mustard packages in the sample.

2. What are mean and variance of X?

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orchestra answered 1 year ago

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