State police believe that 70% of the drivers traveling on a major interstate highway exceed the speed

Question:

State police believe that 70% of the drivers traveling on a major interstate highway exceed the speed limit. They plan to set up a radar trap and check the speeds of 80 cars.
a) Using the 68-95-99.7 Rule, draw and label the of the proportion of these cars the police will observe speeding.
b) Do you think the appropriate conditions necessary for your analysis are met? Explain. Discuss. Distribution
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