The daily water consumption for an Ohio community is normally distributed with a mean consumption of 750,000 gallons and a standard deviation of 80,000 gallons. The community water system will experience a noticeable drop in water pressure when the daily water consumption exceeds 984,000 gallons. What is the probability of experiencing such a drop in water pressure?
2 answers
See your previous post.
The speed of limit on a particular freewayis 65mph. A radar system revealed that the actual speed of traffic is approximately normally dostributed with the average of 68mph and standard deviation of 4mph.
What proportion of cars exceed the speed limit
What proportion of cars exceed the speed limit
1 answer