D=event that chip selected is defective
d=event that chip selected is NOT defective
Four possible scenarios for the first two selections:
P(DDD)=15/100*14/99*13/98=13/4620
P(DdD)=15/100*85/99*14/98=17/924
P(dDD)=85/100*15/99*14/99=17/924
P(ddD)=85/100*84/99*15/98=17/154
Probability of third selection being defective is the sum of all cases,
P(XXD)=P(DDD)+P(DdD)+P(dDD)+P(ddD)
=3/20
First we need to calculate the total payments by multiplying the payment per week times number of weeks in a year times 3 years
Total payments=128×52weeks×3years
=19,968
Subtract the amount borrowed from the total payments to get the interest charged
Interest charged
=19,968−13,450=6,518
Hope it helps!
Answer:
the opposite number is going to be negative because if x is to the right of the number line then the opposite will be of the left of 0 making the opposite number negative.
Step-by-step explanation:
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