Answer:
8 days
Step-by-step explanation:
90/3 = 30 mi/day
240/30 = 8 days
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:
The answer is "99.82% and 86.99%".
Step-by-step explanation:
In point a:
In point b:
