The Population of Lengths of Aluminum-Coated Steel Sheets Is Normally

question 59

Essay

The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 cm and a standard deviation of 0.2 cm.
-What is the probability that randomly selected 4 sheets will have an average length of less than 29.9 cm long?

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Definitions:

CN-

The cyanide ion, a negatively charged molecule consisting of one carbon and one nitrogen atom, known for its high toxicity.

Cations

Positively charged ions that are formed when an atom loses one or more electrons.

Positive Charge

A type of electrical charge, typically carried by protons, that repels other positive charges and attracts negative charges.

Ionic Compounds

Compounds composed of ions held together by ionic bonds; typically formed when a metal reacts with a nonmetal or a polyatomic ion.