The SAT Scores of Students Are Normally Distributed with a Mean

question 47

Essay

The SAT scores of students are normally distributed with a mean of 950 and a standard deviation of 200.
a.Nancy Bright's SAT score was 1390.What percentage of students have scores more than Nancy Bright?
b.What percentage of students score between 1100 and 1200?
c.What are the minimum and the maximum values of the middle 87.4% of the scores?
d.There were 165 students who scored above 1432.How many students took the SAT?

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Definitions:

Port

An interface through which external devices are connected to the computer.

Capacity

The ability or volume that something can contain or produce, often used in contexts like storage, processing power, or physical space.

Peripheral Device

A device such as a monitor, printer, or keyboard that connects to the system unit through a data port.

Expansion Bus

A collection of wires and protocols that allows for the expansion of a computer by adding plug-in cards, external devices, or other components.