Question: The average rate of water usage (thousands of gallons per hour) by a certain community is known to involve the lognormal distribution with parameters

The average rate of water usage (thousands of gallons per hour) by a certain community is known to involve the lognormal distribution with parameters μ = 5 and σ = 2. It is important for planning purposes to get a sense of periods of high usage. What is the probability that, for any given hour, 50,000 gallons of water are used?

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