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1. 9 students volunteer for a committee. How many different 6-person committees can be chosen?
Choose one answer.
a. 1
b. 362,880
c. 60,480
d. 84
2. Identify the sampling method.
You want to determine the number of text messages students at your school make in a month. You randomly ask everyone in each of your classes.
Choose one answer.
a. random
b. systematic
c. stratified
d. none of these
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