An Automobile Manufacturer Needs to Buy Aluminum Sheets with an Average

question 48

Essay

An automobile manufacturer needs to buy aluminum sheets with an average thickness of 0.05 inch. The manufacturer collects a random sample of 40 sheets from a potential supplier. The thickness of each sheet in this sample is measured (in inches) and recorded. The information below are pertaining to the Chi-square goodness-of-fit test.
-(A) Are these measurements normally distributed? Summarize your results.
(B) Are there any weaknesses or concerns about your conclusions in (A)? Explain

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Definitions:

Risky

Involving exposure to danger or financial loss probabilities.

Financial Intermediary

An intermediary that buys securities with funds that it obtains by issuing its own securities. An example is a common stock mutual fundthat buys common stocks with funds obtained by issuingshares in the mutual fund.

Financial Assets

Assets that derive value because of a contractual claim, such as stocks, bonds, bank deposits, and mutual funds.

Income Trusts

Investment vehicles that hold income-producing assets and pass on earnings to investors, typically in sectors like real estate, oil and gas, or business.