Answer:
<h2><u><em>
2-x</em></u></h2>
Step-by-step explanation:
(14 - 7x)/7 =
[7(2-x)]/7 =
2-x
7. p=0.4
i dont know about 3
or 6
If nCk represents the number of ways k parts can be chosen from a pool of n, the probability of interest is the complement of the probability of selecting all good parts.
1 - (167C3)/(170C3) = 42,085/804,440 ≈ 0.0523
_____
nCk = n!/(k!(n-k)!)
Answer is 325 your welcome