Answer:
0.22
Step-by-step explanation:
defective rate is 7 out of 100
defective rate of 4, or 3, or 2, or 1 defective is:
7/100 + 6/99 + 5/98 + 4/97 ≈ 22/100
Answer:
50 minutes.
Step-by-step explanation:
7*50 = 350
Choose number 2, it is divisible by 2,

but it is not divisible by 4, because

but

.
Answer:
Principal amount= $600
Time= 3 years
Rate of Interest = 6%
SI= PRT/100
= 600x6x3/100
= $108
Interest is $108
Step-by-step explanation:
I'm not going to dignify this question with a response. xD