3. An offshore platform is built to withstand ocean wave forces. a) The annual maximum wave height of the ocean waves (above mean sea level) is a random variable with a Gaussian (normal) distribution having a mean height of 4.5 m and a coefficient of variation of 0.60. What is the probability that the wave height will exceed 6.0 m in a given year? b) If the platform were to be designed for a wave height (above mean sea level) such that it will not be exceeded over a period of 3 years with a probability of 70%, what should be the platform height above the mean sea level? (Wave exceedances between years are assumed to be statistically independent). c) Suppose that ocean waves exceeding 6 meters will occur according to a Poisson process and each of these waves could potentially cause damage to the platform with a probability of 0.30. What is the probability that there will be no damage to the platform in the next 3 years? (Damages to the platform between waves are statistically independent).

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3. An offshore platform is built to withstand ocean wave forces.
a) The annual maximum wave height of the ocean waves (above mean sea level) is a random variable with a
Gaussian (normal) distribution having a mean height of 4.5 m and a coefficient of variation of 0.60. What is
the probability that the wave height will exceed 6.0 m in a given year?
b) If the platform were to be designed for a wave height (above mean sea level) such that it will not be exceeded
over a period of 3 years with a probability of 70%, what should be the platform height above the mean sea
level? (Wave exceedances between years are assumed to be statistically independent).
c) Suppose that ocean waves exceeding 6 meters will occur according to a Poisson process and each of these
waves could potentially cause damage to the platform with a probability of 0.30. What is the probability that
there will be no damage to the platform in the next 3 years? (Damages to the platform between waves are
statistically independent).
Transcribed Image Text:3. An offshore platform is built to withstand ocean wave forces. a) The annual maximum wave height of the ocean waves (above mean sea level) is a random variable with a Gaussian (normal) distribution having a mean height of 4.5 m and a coefficient of variation of 0.60. What is the probability that the wave height will exceed 6.0 m in a given year? b) If the platform were to be designed for a wave height (above mean sea level) such that it will not be exceeded over a period of 3 years with a probability of 70%, what should be the platform height above the mean sea level? (Wave exceedances between years are assumed to be statistically independent). c) Suppose that ocean waves exceeding 6 meters will occur according to a Poisson process and each of these waves could potentially cause damage to the platform with a probability of 0.30. What is the probability that there will be no damage to the platform in the next 3 years? (Damages to the platform between waves are statistically independent).
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