###
James
Card

####
COGS2300 Cognitive Simulations

####
Spring 1998

##
Assignment 4

*Topic 37.10*

*Keep your eye out for a poll in which a margin of error is reported. Copy the exact words and bring it to class for discussion.*

"The poll has a margin of error of 3.5 percentage points." - http://server.berkeley.edu/raza/work/story2.html

*Topic 38.11*

*We all use probabilities in everyday activities to make decisions. For example, before we cross a busy street, we estimate the odds that we will get across the street safely. Briefly describe one other specific use of probability in everyday decision-making.*

Driving is filled with situations similar to the one presented. A good example is turning a corner and seeing a green traffic signal ahead and trying to estimate the probability that it will remain green until you arrive at the intersection.

*Topic 39.3*

*If we have a teacher rank students according to their oral language skills, we are using which scale of measurement?*

Ordinal

*Topic 39.8*

*The number of minutes of overtime work that employees perform is an example of what scale of mearurement?*

Ratio

*Topic 40.5*

*What is the base for a proportion?*

A proportion is expressed as a fractional value ranging from zero to one, usually in decimal format.

Return to COGS2300 INDEX

Complex World | Worship
and Service | A Problem of Living | Who
am I?
California | Alaska
| Real World | New World | Real
Living
© Copyright 1998 - **James Card** - *Permission
is granted for non-commercial use of all original material*.