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A continuously running washing machine receives jolts in a Poisson process at an average rate of 10 jolts per hour. The standard deviation of the number of jolts received in given 20 minute run is equal to

  • statistics - ,

    Assume that grades follow a normal distribution (the “bell curve”). It is reasonable to assume
    that the mean of this distribution is μ = 75 and the standard variation is ! = 8 .

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