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Standard Delivery Service provides next day delivery of packages weighing between 2 and 12 pounds in an Ohio city. They have found that the weights
Standard Delivery Service provides next day delivery of packages weighing between 2 and 12 pounds in an Ohio city. They have found that the weights of the packages they deliver are normally distributed with mean 7 pounds and standard deviation 1.2 pounds.
What is the probability that a package weighs between 5.5 and 9 pounds?
a)0.8944
b)0.9522
c)0.1056
d)0.8466
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