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Question: NexLIWequestions are based on the following The following table is a probability distribution for...Question: NexLIWequestions are based on the following The following table is a probability distribution for...

Show transcribed image text NexLIWequestions are based on the following The following table is a probability distribution for the random variable x. 10 0.10 20 0.40 25 0.30 0.20 30 21 Find the expected value (the mean) of x. E(x) 20.0 20.5 21.0 22.5 22 Find the variance of x. var X 30.00 31.25 32.50 33.75

NexLIWequestions are based on the following The following table is a probability distribution for the random variable x. 10 0.10 20 0.40 25 0.30 0.20 30 21 Find the expected value (the mean) of x. E(x) 20.0 20.5 21.0 22.5 22 Find the variance of x. var X 30.00 31.25 32.50 33.75