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There is a random variable, x. x can be 1 or 0. The probability for x=1 is U(0.7,0.9), where U means uniform distribution; and x=0

There is a random variable, x. x can be 1 or 0. The probability for x=1 is U(0.7,0.9), where U means uniform distribution; and x=0 is U(0.1,0.3). Calculate the expectation and variance of x.

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