The weights of ice cream cartons are normally distributed with a mean weight of 8 ounces and a standard deviation of 0.4 ounce.
The weights of ice cream cartons are normally distributed with a mean weight of 8 ounces and a standard deviation of 0.4 ounce.
(a) What is the probability that a randomly selected carton has a weight greater than 8.13 ounces?
(b) A sample of 36 cartons is randomly selected. What is the probability that their mean weight is greater than 8.13 ounces?
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The weights of ice cream cartons are normally distributed with a mean weight of 8 ounces and a standard deviation of 0.4 ounce.
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