Question

answers to 6,7,8 pleaseee?

Answer 1

Answer:

6)

8 nCr 4 = 8 * 7 * 6 * 5 / 4! = 70

P = 1 - 12/70 ≈ 0.83

7)

7.7 - 5 = 2.7 --> Answer c.

8)

3 5/8 - 1 = 2 5/8 --> Answer a.