Practice Workbook SE - East Penn School District
Practice Workbook SE - East Penn School District
Practice Workbook SE - East Penn School District
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Name<br />
LESSON 28.2<br />
More About Probability<br />
Use Data<br />
For 1–4, use the spinner and the table.<br />
SPINNER EXPERIMENT—100 SPINS<br />
Outcome W X Y Z<br />
Tally<br />
W<br />
Y<br />
X<br />
Z<br />
1. What is the mathematical<br />
probability of the pointer<br />
stopping on each letter on<br />
the spinner?<br />
2. Use the data in the table. Find the<br />
probability of the pointer stopping<br />
on each letter in the experiment.<br />
W<br />
Y<br />
W<br />
Y<br />
X<br />
Z<br />
3. Use the table to find the<br />
probability of the pointer<br />
stopping on W in the experiment.<br />
How does this compare to the<br />
mathematical probability?<br />
X<br />
Z<br />
4. Compare the probability in the<br />
experiment with the<br />
mathematical probability of the<br />
pointer stopping on X, Y, and Z.<br />
© Harcourt<br />
Mixed Review<br />
5. James is buying a new<br />
computer. He is choosing among<br />
3 different hard drives, 4<br />
different printers, and 5 modems.<br />
How many possible computer<br />
packages could he make?<br />
6. What kind of triangle is shown<br />
below?<br />
7 cm 7 cm<br />
6 cm<br />
<strong>Practice</strong><br />
PW153