Casio FX-CG20 AU User Manual

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u 1-Prop Z Interval
1-Prop Z Interval uses the number of data to calculate the confidence interval for an unknown
proportion of successes.
Perform the following key operations from the List Editor.
4(INTR)
1(Z)
3(1-PROP)
Data is specified using parameter specification.
Calculation Result Output Example
u 2-Prop Z Interval
2-Prop Z Interval uses the number of data items to calculate the confidence interval for the
difference between the proportion of successes in two populations.
Perform the following key operations from the List Editor.
4(INTR)
1(Z)
4(2-PROP)
k t Interval
u 1-Sample t Interval
1-Sample t Interval calculates the confidence interval for an unknown population mean when
the population standard deviation is unknown.
Perform the following key operations from the List Editor.
4(INTR)
2(t)
1(1-SAMPLE)

Casio FX-CG20 AU Specifications

General

Model	FX-CG20 AU
Category	Calculator
Display Type	Color LCD
Resolution	384 x 216 pixels
Connectivity	USB
Graphing	Yes
Programming	Yes
3D Graphing	No
Spreadsheet	Yes
Equation Solver	Yes
Statistical Functions	Yes
Financial Functions	Yes
Compatibility	Windows, Mac
Dimensions	188.5 x 89 x 18.6 mm
Weight	230g
Power Supply	4 AAA batteries
Battery	AAA
Display Size	3.7 inches
Internal Memory	16MB