Question
1. Demand per hour for gasoline at a local station is normally distributed with a mean of 860 gallons and std deviation of 55 gallons.
1. Demand per hour for gasoline at a local station is normally distributed with a mean of 860 gallons and std deviation of 55 gallons.
What is the probability that demand is greater than1800 gallons over a 2-hour period?
Enter your answer as a decimal value, rounded to 4 decimal places
2. Demand per hour for gasoline at a local station is normally distributed with a mean of 850 gallons and standard deviation of 55 gallons.
What is the probability that demand for a particular hour will be less than 900 gallons?
3. Demand per hour for gasoline at a local station is normally distributed with a mean of 850 gallons and standard deviation of 25 gallons.
What is the theoreticalprobability that exactly 850 gallons will be sold in an hour?
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