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bhagya123

  • one year ago

The probability that the notes level of a wide- band amplifier will exceed 2 dB is 0.05 . Find the probabilities that among 12 such amplifiers the noise level of One will exceed 2 dB

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  1. prowrestler
    • one year ago
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    if i help you can i get a medal

  2. kc_kennylau
    • one year ago
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    The probability of at least one amplifier exceeding 2dB is the same as 1 - the probability of no amplifier exceeding 2 dB

  3. kc_kennylau
    • one year ago
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    \[P(X\ge1)\\=1-P(X=0)\\=1-(1-0.05)^{12}\\=0.459639912...\]

  4. prowrestler
    • one year ago
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    why are you soo good at math i wish i had ur math skills

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