For Labrador Retriever Dogs, the Average Weight at 12 Months

Essay

For Labrador Retriever dogs, the average weight at 12 months of age is 50 pounds with a standard deviation of 2.5 pounds. What can be said about the proportion of 12 month old Labrador Retrievers that will weigh between 46.25 pounds and 53.75 pounds?
Choose the appropriate rule: ______________
Approximately what proportion of weights will fall into the interval described above?
______________
Explain.
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