Question

There is a classroom with 9 senior students and 3 junior students. The teacher asked you to form a group of 4. In how many possible ways can you form a group with exactly 1 junior? (Hint: This is equivalent to say a group with 3 seniors and 1 junior) In how many possible ways can you form a group with at most 1 junior?

          There is a classroom with 9 senior students and 3 junior students. The teacher asked you to
form a group of 4.
In how many possible ways can you form a group with exactly 1 junior? (Hint: This is equivalent
to say a group with 3 seniors and 1 junior)
In how many possible ways can you form a group with at most 1 junior?

There is a classroom with 9 senior students and 3 junior students. The teacher asked you to
form a group of 4.
In how many possible ways can you form a group with exactly 1 junior? (Hint: This is equivalent
to say a group with 3 seniors and 1 junior)
In how many possible ways can you form a group with at most 1 junior?

Added by Christopher H.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Keondre Parker

Step 1

We need to select 1 junior student for our group. So, there are 3 ways to do this. Show more…

Show all steps

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There is a classroom with 9 senior students and 3 junior students. The teacher asked you to form a group of 4 (to say a group with 3 seniors and 1 junior). In how many possible ways can you form a group with at most 1 junior?