Estimate the Probability of the Event

question 64

Multiple Choice

Estimate the probability of the event
-In a certain class of students, there are 9 boys from Wilmette, 5 girls from Kenilworth, 7 girls from Wilmette, 6 boys from Glencoe, 5 boys from Kenilworth and 3 girls from Glenoce. If the teacher calls upon a student to answer a question, what is the probability that the student will be from Kenilworth?

• A)0.25
• B)0.37
• C)0.286
• D)0.143

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Definitions:

Odor

A smell produced by one or more volatilized chemical compounds that are generally found in low concentrations.

Context-Dependent Memory

The theory that information learned in a particular situation or environment is better remembered when in that same environment.

Maintenance Rehearsal

A cognitive process that involves repeatedly verbalizing or thinking about a piece of information to keep it in short-term memory.

Mentally Repeating

The process of internally echoing or recalling information to aid in memory retention.