Performance Task Introduction to Probability:
Same Names
This year at Springfield Middle School, all the students who work on the yearbook have a first
name that begins with one of four letters as shown in the table
Number of
Letter
Students
M
S
8
R
5
A
1
.
Create a probability model for selecting a student on the yearbook staff.
.
Use the probability model to determine each probability
Randomly choosing a student with a name that does not begin with a vowel.
Randomly choosing a student with a name that begins with either Sor A.
• Randomly choosing a student with a name that begins with E.
.
Five staff members were not able to make it to the yearbook meeting last Friday. At the
meeting, the probability of choosing a student with a name beginning with M was
Explain how this is possible.