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Please solve the question with explaination (b) A new batter supposedly has a voltage with a uniform distribution between 1.40 and 1.60 volts. If a

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Please solve the question with explaination

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(b) A new batter supposedly has a voltage with a uniform distribution between 1.40 and 1.60 volts. If a box contains 30 batteries, what are the expectation and variance of the number of batteries in the box with a voltage less than 1.52 volts

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