Pamela Called Nine Repair Shops for Quotes for Auto Repairs

question 30

Essay

Pamela called nine repair shops for quotes for auto repairs and pick the quote closest to the mean.The prices are $139,$150,$345,$99,$169,$155,$140,$200,and $160.She heard that data collections that are normally distributed will have 95% of its values within 2 standard deviations of the mean and wants to remove any quotes outside of that mark before determining a revised average that will help her make a decision.What is the mean price quote for 95% of the auto repairs that are within 2 standard deviations of the mean?

---

Definitions:

Synthesizes Proteins

The process by which cells build proteins from amino acids based on the instructions encoded in genes.

Ribosome

A cellular structure that synthesizes proteins by translating mRNA into amino acid sequences.

Hydrogen Binding

Hydrogen bonding is a type of weak chemical bond that is usually intermolecular, occurring when a hydrogen atom covalently bound to a highly electronegative atom such as N, O, or F experiences attraction to another electronegative atom.

Phosphoric Acid

A weak acid with the chemical formula H3PO4, used in food flavoring, beverages, dental products, and as an industrial etchant.