Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to use the central limit with a TI-83 graphing calculator.
Central limit theorem.
The CB&O pet food company manufactures premium cat food in 10 pound bags with a standard deviation of 1.3 pounds per bag. Find the probability that a random sample of 144 bags will have a mean between 9.75 and 10.25 pounds.
normalcdf (lower bound, upper bound, mean, standard deviation)
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