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SAT, 20.10.2021 14:00 ally9704

a city’s temperature is modeled as a normal random variable with mean and standard deviation both equal to 10 degrees celsius. what is the probability that the temperature at a randomly chosen time will be less than or equal to 15 celsius? let y = 1 if the temperature is less than or equal to 15 celsius, and y = 0 otherwise. find the variance of y

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