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Three hundred small cups (10 oz) of coffee were sold at a certain coffee shop during the last week. The amount of caffeine in

 

Three hundred small cups (10 oz) of coffee were sold at a certain coffee shop during the last week. The amount of caffeine in a small cup of coffee follows a bell-shaped dis- tribution with a mean caffeine content of u = 120 mg and a standard deviation of o = 4 mg. Use the Empirical Rule to determine: a) the percent of small cups of coffee that one would expect to have a caffeine content greater than 124 mg. b) the percent of small cups of coffee that one would expect to have a caffeine content less than 112 mg. c) the percent of small cups of coffee that one would expect to have a caffeine content between 116 mg and 128 mg. d) the number of small cups of coffee (to the nearest cup) that one would expect to have a caffeine content of at most 116 mg.

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