Instruction 6.3 the Number of Column Centimetres of Classified Advertisements Appearing on Appearing

question 52

Essay

Instruction 6.3
The number of column centimetres of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with population mean 320 and population standard deviation 20 cm.
-Referring to Instruction 6.3,for a randomly chosen Monday,what is the probability there will be between 280 and 360 column centimetres of classified advertisement?

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Definitions:

Felsic Magmas

Magma that is high in silica and light in color, which forms rocks such as granite and rhyolite upon cooling.

Intermediate

A term used to describe entities or phenomena that fall in the middle of a specified range or scale, often used in geological contexts to describe rocks or volcanic activities with properties between felsic and mafic.

Main Batholith

A large body of igneous rock formed beneath the Earth's surface by the intrusion and solidification of magma.

Partial Melting

The process where only a portion of a solid mixture melts, resulting in the formation of magma with different composition from the original material.