A Manufacturing Process Produces Items Whose Weights Are Normally Distributed

question 5

Short Answer

A manufacturing process produces items whose weights are normally distributed. It is known that 22.57% of all the items produced weigh between 100 grams up to the mean and 49.18% weigh from the mean up to 190 grams. Determine the mean and the standard deviation.

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Definitions:

Freeman Cobb

Was an American entrepreneur, known for co-founding Cobb and Co., a famous coaching company in Australia during the 19th century.

Stagecoach Operations

The business and system of transportation that used horse-drawn coaches to carry passengers and mail across distances before the invention of railways.

Wells Fargo

is a multinational financial services company headquartered in the United States, known for its banking, insurance, investments, mortgage, and consumer and commercial finance operations.

Timber Output

Refers to the production volume of timber, including both raw and processed wood materials.