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"The number of cars passing through makurdi-gboko express way on a daily basis between 8am...

"The number of cars passing through makurdi-gboko express way on a daily basis between 8am and 12pm have a mean of 322 and a standard deviation of 32. suppose that the distribution of cars is approximately normal, what percentage of time will there be anywhere from 294 to 362 if cars passed through the express way between 8am and 12pm?"?
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