Multiple Choice
In a certain state, the daily amounts of industrial waste are normally distributed, with a mean of 9,000 tons and a standard deviation of 1,000 tons. Find the probability that on a randomly selected day the amount of industrial waste is less than 7,000 tons. Use a table of the standard normal distribution to solve the problem. Round your answer to four decimal places.
A) 0.9772
B) 0.1836
C) 0.7936
D) 0.0228
E) 0.7720
Correct Answer:
Verified
Correct Answer:
Verified
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