Question

The Globe Fishery packs shrimp that weigh more than 1.54 ounces each in packages marked large and shrimp that weigh less than 0.58 ounces each into packages marked small; the remainder are packed in medium size packages. If a day's catch showed that 19.77 percent of the shrimp were large and 6.06 percent were small, determine the mean and the standard deviation for the shrimp weights (in oz). Assume that the shrimps' weights are normally distributed.

Answer 1

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The Globe Fishery packs shrimp that weigh more than 1.54 ounces each in packages marked "large" and shrimp that weigh less than 0.58 ounces each into packages marked "small"; the remainder are packed in "medium" size packages. If a day's catch showed that 19.77 percent of the shrimp were large and 6.06 percent were small, determine the mean and the standard deviation for the shrimp weights (in oz). Assume that the shrimps' weights are normally distributed. (Round your answers to one decimal place.)

mean oz

standard deviation oz