7th Grade Math

When Will I Use This?When Will I Use This?

Probability and Predictions 427

Are you ready for

our first task as radio

station interns?

I’m ready! It’s

gonna be fun!

Where should

we go first?

Well, we need to find

out what teens are

listening to.

That means

we should go

where there are

lots of people. Do

you have the

survey sheets?

Yep!

I got ’em. We only

have a couple of

hours to gather

information.

Let’s

figure out

where we

should go.

We could pass

out surveys at

the mall to the

first 100

people we see.

Or, we could

ask the

62 guys on

the football

team.

I counted 108 kids

earlier in the lunchroom.

We could ask them.

Which one of those

choices should we use?

You will solve this

problem in the chapter.

l thi

Your Turn!Your Turn!

426_428_C08_CO_895130.indd 427 12/29/09 1:22 PM