Post a New Question

math

posted by on .

A tray contains 11 chocolate chip cookies and 15 oatmeal raisin cookies. How many ways can a child select 4 cookies that include at least 1 chocolate chip cookie?

  • math - ,

    number without any restriction
    = C(26,4) = 14950

    number which are all oatmeal
    = C(15,4) = 1365

    so, the number with at least one chocolate chip
    = 14950-1365 = 13585

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question