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Q1 a. what do you know about errors in decision making? What are the steps in test of significance of a single proportion. Q 1b.

Q1 a. what do you know about errors in decision making? What are the steps in test of significance of a single proportion.

Q 1b. What do you understand by mathematical expectation of a random variable? Also prove that the mathematical expectation of random variable is average of random variable.

Please explain and solve clearly.

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