Answer:
0.3721 or 37.21%
Step-by-step explanation:
P(I) = 0.60; P(II) = 0.40;
P(not defective I) = 0.90; P(not defective II) = 0.80
The probability that the phone came from factory II, given that is not defective, is determined by the probability of a phone from factory II not being defective divided by the probability of a phone not being defective.

The probability is 0.3721 or 37.21%.
Answer:
45 times 89
Step-by-step explanation:
The instuments are irrelevant and are only there to distract you.
I believe it's 12 because 5*16=80. So, then you would subtract 4 from 16 and gat 12.