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  1. The probability density function of the random variable X is 

    where λ = 0. For testing the hypothesis H0 : λ = 3 against HA : λ = 5 a test is given as "Reject H0 if X ≥ 4.5". The probability of type I error and power of this test are, respectively,
    2. A.
    0.1353 and 0.4966
    B.
    0.1827 and 0.379
    C.
    0.2021 and 0.4493
    D.
    0.2231 and 0.4066

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    Answer : Option D

    Explanation :

    -NA-

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