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Q1. | Choose the correct option |

A. | var (X) = σ_{x}^{2} [Wrong Answer] |

B. | σ^{2} = E(X^{2}) - μ^{2} [Wrong Answer] |

C. | var (CX) = C^{2} Var (X) [Wrong Answer] |

D. | all [Correct Answer] |

View Answer
Explanation:-
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